Keep the occupational-disease-inductive accident site under control. 組織控制職業病危害事故現場。
This paper from the control of organization describes the fisability for much improvement of the toughness of the electro-slag welds. 本文從組織控制的角度論述了較大幅度地提高電渣焊縫衝擊韌性的可行性。
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