相关考题
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单项选择题
What is normally used to pass a mooring line to a dock（）.
A.Distance line
B.Gantline
C.Heaving line
D.Tag line -
单项选择题
What is meant by the term two-blocked（）.
A.The bottom block touches the top block
B.The line has jumped the sheaves
C.There are turns in the fall
D.You have two blocks -
单项选择题
The use of（）between bags may lead to chafe and tearing of the bags.
A.strips of burlap
B.heavy paper
C.dunnage boards
D.strips of rope yarn
