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??????????28mm??Q345qE???????????

?????????2018/12/12

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?????1990

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Q345qE??????????????????<BR>????????????????????????????????????????ú??????β????q????????<BR>????????????????????????A3q??????????????16q????????????????12Mnq??12MnVq??15MnVNq??16Mnq????????????4.5~50????? ????????<BR>????|?????|?????|?????|?????|?????????|?????????|????|?????|???????????|?????????|???<BR>??

Q345qE??????????????????
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Q345qE??????????????????
8* 2200*8000+ 32??
10* 2200*8000+ 98??
139*1684*4688+ 32??
12*2200*8000+ 98??
16*2200*8000+ 78??

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