問題詳情
31.A “STOPPER” is_____ .
(A). a short length of line used for temporarily holding another line
(B). a snatch block for handling a topping lift
(C). an engine order telegraph
(D). the brake on a cargo winch
參考答案
答案：A
難度：非常困難0
統計：A(0),B(0),C(1),D(0),E(0)