单项选择题

The （）(浮吊) can float on water used to load and unload the cargo.

A. floating crane
B. jumbo boom
C. union purchase
D. crane

相关考题

Please adjust the derrick （）(向上).A.upwardsB.downwardsC....

单项选择题Please adjust the derrick （）(向上).

A.upwards
B.downwards
C.forwards
D.backwards

The （）(袋装货) can’t be unloaded by hooks.A. bagged cargoB...

单项选择题The （）(袋装货) can’t be unloaded by hooks.

A. bagged cargo
B. drummed cargo
C. cased cargo
D. deck cargo

Please adjust the derrick （）(向下).A.upwardsB.downwardsC....

单项选择题Please adjust the derrick （）(向下).

A.upwards
B.downwards
C.forwards
D.backwards

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