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按照安全系統工程的觀點,安全是指系統中人員免遭(B)的傷害。

作者:煤礦安全網 2018-06-29 15:35 來源:煤礦安全網

按照安全系統工程的觀點,安全是指系統中人員免遭(B)的傷害。

A.危險 B.不可承受危險 C.有害因素 D.意外

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