免费无码在外自慰喷水

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              7201863116
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              480??12
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              Q235
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              ????????Q+????+???????????+??????????????ɡ???????????Q??,?????????????????????????????????????λ??MPa????Q235???????????s???235 MPa?????????

              ?????????????????????????????????????????????????????????? A??B??C??D??????????????F?????????B??????????Z????????TZ??????????????????????????ZT??TZ ???????????Q235-AF???A????????

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              ??????????????λ????????????????????????????????????????????????????0.45%???? ??????45?????????????????????????45????

              ??????????????????????????????????????????50Mn?????????????????????????????????????????????????????????????? 0.1%??? ??????????10b??

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              ????????????T?????????????????????

              ?????????е????????????????????????????????????????硰T8???????????????0.8%??

              ????????????????????????????Mn???????硰T8Mn????

              ?????????????????????????????????????????????????????????????A??????????? ???硰T8MnA????

              ??????? Q235 530??10 ??? ?????? ??????????
              ??????? Q235 406??10 ??? ?????? ??????????
              ??????? Q235 480??12 ??? ?????? ??????????

               



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              免费无码在外自慰喷水
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