问题
单项选择题
Which lashing gear used aboard Ro-Ro vessels should be painted or soaked in oil when not in use（）.
A.Chain
B.Wire rope
C.Webbing
D.All of the above
答案
参考答案：A
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Which lashing gear used aboard Ro-Ro vessels should be painted or soaked in oil when not in use（）.
A.Chain
B.Wire rope
C.Webbing
D.All of the above
参考答案：A
