单项选择题
This cargo runner is too short. Please （）it for a long one.
A.charge
B.change
C.discharge
D.repair
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相关考题
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单项选择题
The common type of liquid cargo is （）.
A.oil
B.chemical
C.gas
D.timber -
单项选择题
-Why do you stop working? - The winch is （）.
A. work well
B. in good order
C. out of order
D. good -
单项选择题
The safe working load of the （）is 100 tons.
A.single derrick
B.derrick
C.heavy derrick
D.deck
