問題詳情

20. If the slings do not permit safe cargo handling, we shall _____ .
(A) repair those slings
(B) replace those slings
(C) usethose slings with cautions
(D) double up those slings and use them for cost saving

參考答案

答案:B
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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