磷会在钢的组织中析出化合物Fe3P,使钢的()。A、强度增加B、塑性提高C、韧性降低D、焊接性能提高
磷会在钢的组织中析出化合物Fe3P,使钢的()。
- A、强度增加
- B、塑性提高
- C、韧性降低
- D、焊接性能提高
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单选题A pIsub2/sub=Isub3/sub/pB pIsub2/sub=4Isub3/sub/pC pIsub2/sub=2Isub3/sub/pD pIsub3/sub=4Isub2/sub/p
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