单项选择题
A. derrick B. heavy derrick C. shore crane D. floating crane
Please help me （）(解开) the guy.A.fastenB.unfastenC.moveD...
单项选择题Please help me （）(解开) the guy.
A.fasten B.unfasten C.move D.shift
Please fix some（）（货灯）.A. hold lightsB. cargo lightsC. c...
单项选择题Please fix some（）（货灯）.
A. hold lights B. cargo lights C. cargo lanterns D. hatch lamps
The（）(非包装货) is loaded and discharged by belt conveyer.A...
单项选择题The（）(非包装货) is loaded and discharged by belt conveyer.
A. non-packed cargo B. packed cargo C. cased cargo D. inboard cargo
