问题 单项选择题

What is the accepted standard for wire rope falls used in connection with the lifeboat gear?()

A.Six by seven galvanized wire rope

B.Six by twenty-four improved plow steel wire rope

C.Six by thirty-seven preformed fiber-core wire rope

D.Six by nineteen regular-lay filler wire rope

答案

参考答案:D

单项选择题
不定项选择