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2019-06-22

QPQ???洦???????????Щ???????

1???????????????????????QPQ????????????10???????

2???????Щ??????QPQ???????45????????1Cr13??20?????????1Cr18Ni9Ti??4???????

3???????Щ????????????45?????????????????????????45????????????????????QPQ????????????????10??????????????????????QPQ???????????????????????????Ч?????????????????????????????????????????QPQ???????????

4???????Щ?????????????????????????????????????????570?浪??2~3h??????????????????????????????1500HV????91HRA????????????????????????????м??????????

澳门永利集团网址

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