单项选择题

The （）(包装货) is loaded and unloaded by cargo sling.

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

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单项选择题

A. rolling type hatch cover
B. side-rolling hatch cover
C. folding type hatch cover
D. automatic hatch cover

单项选择题

A. rolling type hatch cover
B. side-rolling hatch cover
C. folding type hatch cover
D. automatic hatch cover

单项选择题

A. rolling type hatch cover
B. side-rolling hatch cover
C. folding type hatch cover
D. automatic hatch cover