本文核心词:金属工艺。
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7._____??_____??????????????????????
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A??? B ???? C ??? D ?????
2.???????? ( A )
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3.???????????? ( D )
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4.?????????? ( C )
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5.??????????? ( C )
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6. ????????? ( A )
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7.??????????? ( B )
A ?? B ?? C ???? D ?????
8.???????????????? ( C )
A ????? B ????? C ????? D ????
9.?????????????????? ( D )
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10.????????????,???????? ( B )
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11.?????? ( A )
A ?? B ?? C ?????? D ????
12. ???????????? ( A )
A ???? B ????? C ???? D ????
13.?????????,??? ( D )
A ??? B ????
C ?????? D ???????
14.????????????,??? ( C )
A.? B ??? C ????? D ??
15.????? ( B )
A ?? B ??? C ?? D ??
16.????????????,?????? ( D )
A ?? B ?? C ?? D ??
17.?????????? ( B )
A ?? B ???? C ??? D ????
18.????????????? ( D )
A ???? B ???? C ???? D ?????
19.?????????????? ( A )
A ? B ? C ?? D ????
20.?????????? ( C )
A ???? B ????? C ???? D ????
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1? ????????????,?????,?????,??????????
2? ????????????,??,??,??,?????,?????,?
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1 ???_____?????____????
2 ??????????,????? ____???_____ ____??_____ ?____???_____ ????
3 ????????????____??_____ ?_____??_____ ?______??_____ ?_____??____ ?_____??_____??,???????????,????____????_____?_____????_____?
4 ?????????????,?? _____????______,??____????______? 5 ?????????,?????____??_____?____??______?_____??_____??????
6 ?????????????????????????????,??? _____??_____?_____??_____?_____??_____?????
??????
1??????????? ( B )
A ??? B ??? C????? D ?????
2????????? ( A )
A ?? B????? C?????? D ????
3????????? ( D )
A??? B??? C ???? D ?????
4??????????,??? ( A )
A???? B ???? C ?????? D ??????
5??????? ( B )
A ?? B??? C ?? D ??????
6..?????????????,???????????? ( C )
A1? B 2? C 2.5? D 3?
7???,???????????? ( A )
A?? B?? C ??? D ??????
8????????,??????? ( C )
A?? B ??? C?? D ???
9????????????????? ( C )
A?? B????? C ?? D ???
10????????????????,?? ( C )
A??? B ???? C ???? D ???
11.???????????,??? ( B
A.?? B ?? C ?? D ??
12???,?????????? ( D )
A?? B ?? C ?? D ??????
13???????,???????????? ( B )
A?? B ?? C ?? D ??
14.????? ( B )
A??? B???? C ??? D??????
15?????? ( C )
A??????? B ?????????? C ????? D ??????
16.????????? ( A )
A ?? B ?? C ????? D ??????
17??? ( B )
A?????? B ???? C???? D ??
18??????? ( C )
A?? B?? C???? D ??
19??? ( A )
A???? B ???? C ?? D ???
20. ???????? ( D ) A?? B?? C??? D ???
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1? ??????????????????????????,?????????
???????2.5????????????????????????????,???????,????????
2???????????????????????????,???????,???????,???????,?????,???????
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1.????????????? ___??____ ?____??____ ?____??_____????
2.??????????????,???????____?????_____ _____?????______ ?
3.???_____??_____ ?___??_____- ?????
4.???????_____??______????_____??_____?
5.?????????????,? ____??______?____??____?____??____ ? ___
??_____ ???
6.????????????,?____???_____ ?_____???______ ?____???_____?
7.????????????????????,?____??______? _____???_____???
8.??????????,????????_____???______ ?_____?????????_____ ??
?????
1 ?????????? ( C )
A???? B??? C ??????????? D??????
2 ?????????? ( A )
A??? B ??? C ??? D ????
3 ?????????????? ( A ) A?? B?? C ?? D ??
4 ?????????? ( D ) A?? B ???? C ?? D ??
5 ????????????????? ( B ) A?? B?? C?? D ??
6 ???,???????,???????? ( D ) A1mm B2mm C 10mm D 4mm
7 ???,???????? ( B ) A????? B????? C????? D???
8 ???,?????????,??????? ( B ) A?? B?? C ?? D??
9 ??E4303?43?? ( B ) A???? B ???? C ???? D ????????
10 ?????????? ( C ) A???? B ???? C ??????? D??????
11 ?????????? ( A ) A???? B???? C ????????? D ???????
12 ???,??????,??? ( B ) A?????? B ?????? C ???? D?????
13 ???????? ( C ) A???? B?? C ?? D ??
14 ?????? ( B ) A??? B ??? C????? D ??????
15 ???,????????? ( B ) A?????? B?????? C ????????? D?????
16 ?????????,??? ( A ) A????? B ????? C ????? D ?????
17 ???????? ( B ) A???? B ??? C ??????? D ??????
18 ???????????? ( D ) A?? B ?? C ?? D ??
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1????????????????? ????,????,????
3??????????? ???,???,???,?????,??
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1?????????????,?????——???——–?——????——–?
2????—-????——?——???——?——????——-??????????
3??????????????——–???———?——-????———?
4?????????—–??——-?—–????——-?——????——-??????????????
5???????,???—–????—–?—–????——?——????——?——????——??
6???????—-????——-?——???——?——-????——-?—–????——-?????
7??????——-??——?——-??——–???
?? ???
8???????????????,??(D)
A??????? B????????? C????????? D?????????
9?????????????(C)
A??? B??? C???????? D????
10???????,??????????(B)
A????? ???? ???? ?????
11???????????????(D)
A????? B????? C?????? D??????
12?????,??????????(B)
A?????? B?????? C????? D?????
13????????????(A)
A??? B?? C????? D???????
14???????(A)
A?YG8 B?YG3 C?YT30 D??????
15?C6132?”C”??(B)
A???? B???? C???? D????
16?C6132?”32″??????????(B)
A?32mm B?320mm C?3200mm D???????
17?”????”????(D)
A????? B????? C????? D?????
18?????????,?????????,??????????(C)
A???? B???? C???? D????
19?????????????????????????(D)
A???? B???? C???? D????
20???????,??????????(A)
A???? B???? C???? D????
21???????????????(C)
A????? B????????? C????? D????????
22???????????????(C)
A?????? B??????? C???????? D?????
23?????????,????????????????(B)
A?1? B?2? C?3? D?4?
24?C6132?????30????28???,???????????(D)
A?10? B?20? C?40? D?50?
25??????????(C)
A??????? B??????? C?????? D???????
26??????,???????????(B)
A???? B????????? C????? D?????
27????????,????????????????(C)
A????? B????? C??????? D???????
28?????,???????????????(B)
A?????? B?????? C?????? D???
29????????,??????,??????(A)
A????? B????? C????? D?n??????
30????????????????(B)
A?????????? B?????????? C????????
D?????????
31????????,?????(B)
A??? B??? C?????? D??????
32????????????(D)
A?????? B?????? C?????? D??????
33????????????????,??????????(B)
A?6? B?6.67? C?16?? D?24??
34??????????????(C)
A?????? B?????? C?????? D???????
35????????????(C)
A??????? B????? C???? D????????
36??????????(D)
A???? B???? C???? D????
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37???????????? ?? ??? ??? ???
38???????????(1)????????????,???????????
(2)?????????????,?????????,??????,??????
(3)??????????,???,?????????,??????,??????
39???????????????? ??? ??? ??? ??? ??? ?? ?? ??
40????????????????)???????????????????,????????????
(2)????????????????????
?????
41?????25*220?????????,?????????(1)????,?????,??60mm(2)???(3)???,?????16?20(4)??,??2.5*1.5(5)??,???????51(6)???,????50
18?????????????????
?:??????????????,??????????
???????????????????,?????????????????,???????????,?????????????????????
????????????????,??????,???????????????
19??????????????????
?: 1)??? ??????????????????,?????????????????(??)????,???????,???????????
2)??? ??????????????????????????????,?????????????????????????????????,????????,???????
3)??? ??????????????,????????????????????????????CO?H2?????????????,?????????????????,????????
4)??? ???????????????????,??????`????????????
5)??? ?????????????????????????,??????????,?????????????
6)??? ??????????????????????????,???????????????,???????
20??????????????????????
?:
21???????,???????????
?: ???????????,?????:
(1)???? ???????????????????(100A??),?????????????????;????,????,?????????,?????????????,???????????5~10??
(2)????????? ???????????,???????,??????????,???????????,?????????,??,??????????,??,????????,???????
(3)?????? ???????(30~25mm),?????,????,???????,?????????????????;??????????,?????
(4)??????? ??????????,??????????,???????????????????
??????,??????????????????,??????????????????????????
??????????,???????????,???????;???????????;???????????,?????????????
22?CO2????????????
?: CO2??????:
(1)??? ????????CO2?????????,??????????????40%???
(2)???? ??????,?????,??????,???????,???????????????,??????,????????,??????????1~3??
(3)???? CO2?????,?????????,???????????,??????????,?????????
(4)???? ?????????????,????????????????
?????,????,????????????????????,?????
??,CO2??????????????,??,???????????,??????,????;??????,????????
?????:
(1)?????????,?????????????????????,???????????
(2)???????,???,????,??????,??????,??????
(3)????,????,????????????
(4)??????????0.8mm?????????????
23???????????
?:(1)?????????? ????????????????,?????????????,???????????????,???????????????????
(2)???????? ?????40mm??????,?????,???????????25~35mm??????????
(3)???????? ??????????,???????????,?????????????,?????????????????????????,???????????????????,??????????????????
(4)???????????? ???????????,?????,????????????????????,?????????????????????
??????????????,????,??,???????????,????,???????
24????????????
?:?????????????????
(1)????? ??????????????????,??????????????????????,????????,??????,???????????,????????
(2)?????? ??????????????????
(3)?????? ???????????”??”,???????????,????????????,???????????,??????????
25?????????????????
?: ??????
(1)??????(????),???,????,???,???????,?????????????
(2)????????????,??????????????,????????????????????
(3)?????????????????????????,????????????????
(4)???,??????????,??????0.5mm???????????0.6mm????????
??????
?????????????????????????????????????????????????,??????????????????????????
26???????????????????,????????
?:????????????,??????????,???????;?????????,????????????,?????????????????:????????????,????;????????,????,?????????????????????,??????,???????????,??????????????????????,???????????????
???,????????????????????????,?????????;???????????????,???????????????
27????????????????????????
?:????????????????????????????,?????,??????????:???????????????????????????
????????????????????,??????????????????????????
28??????????????????????
?:?????????????????????
(1)?? ????????????????,?????????????
???,?????????????????,????????????????,??,?????????,???????????????????,????????????????????????,???????????????
(2)??? ???????????????,????????????,???????????????????????,???????????????,???????,??????????????????????????,???????,??????????????????
(3)???? ??????????????,?????????????????????
1)??? ???????,????????????????,?????????????AC3??100~200?????????,?????????,??????,???????????????????????,???????
2)??? ??????AC3?AC3??100~200???,???????,????????????????????(????),??????????
3)????? ??????AC1~AC3????????,????????,???????????????,?????;??????????,????????,?????????????,??,???????
29????????????????????????????
?:???????????????????????????????????????????,????????????????????,?????????????????????????????
??????????????
(1)???? ????????,??????????????????,??????????????????,????????????
(2)???? ????,???????????,????????0.1%~0.2%,????????,????????
(3)????? ?????????,???????????????????????????????,????????????????,?????????
(4)????????? ??????????????,??????????
?????????
30????????????????
?:(1)????????? ???????????,???????????????????,?????,?????????
(2)??? ??????????350~400?,??????????????????????????,????????????????,??,?????????,???????????
(3)?????? ???????????????????????????????????80%~90%??????
31
Ceq?C?
?09Mn2Cu?????
MnCr?Mo?VNi?Cu
??65151.4%0.3%
??0.35a5
Ceq?0.1%?
09MnV?????
Ceq?0.12%?
1.2%0.1%
??0.34e
14MnMoV?????
??Ceq???,??????,???????,??????,??,??????
Ceq?0.12%?
1.5%0.5%?0.15%
??0.5e
?????Ceq?,????:09Mn2Cu??????,09MnV??????,14MnMoV
???????
32???????????????????:
1)??? 2)???? 3)???? 4)????? 5)??????? ?:1)???—-???????? ????—–????????
2)???—-??????? ????—–????????? 3)???—-??????? ????—–????????? 4)???—-??????? ????—–??(???)??? 5)???—-??????? ????—–???????
33????????,??????????,??????????? ?:?????????
34??????????,????????????? ?:??:???—-???? ???—–????
??:???—-???? ???—–????
35???????????????????????????????
?:?????,?????????,???????,?????????????????
?:1???:??????????????????????????(?????????,???????????,????????????????????????,????????????????????,????????????,??????,?????????????????????????????????,????????????,????????????????) (2)??
????????????????????: 1)????:????????,???????,???>>>????,???????,???????
2)????:????????????????,???30C,???????????,?????,?????????
3)?????????????:?????????????,????????????????????????????,???????????? 37???????????:??????????????????? ?:?????????:(1)????? (2)?????
(3)????????
??????:???????????????(s) ?????:???????????????(s)
38??????,??????????????????? ?:????:1)???????????
2)??????????????????,??????????????
??????????,????????????????,???????,???????
39????????????? ?:??????????????????????????;??????????????????????
??:1)?????????,???????,???? 2)????????,????????????? 3)???????????,?????????? 40??????????????
?:????????????????????,????????????????????????????????????????? 41???????????????? ?:?????????????? 42??????????????
?:???????????????????????? 43??????????,??????????
?:????????????????????????????????
??????????????????????,?????????????
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44????????,??????
?:??????????????????????????????????????????????????????:
1)???????????????,?????????????????????????????
2)?????????????????????? 3)???????????
4)?????????????????,???????
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