单项选择题

Saw dust is used to （）.

A. absorb the oil
B. repair the derrick
C. adjust the boom
D. fill the ballast water

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上一题目录下一题

单项选择题

A. get rid of the garbage
B. fill the ballast water
C. repair the derrick
D. adjust the derrick

单项选择题

A. Dry paint
B. Topside paint
C. Side paint
D. Primer

单项选择题

A. fore to aft
B. aft to fore
C. left to right
D. right to left