單項(xiàng)選擇題

The derrick is too low. （）it, please.

A.Lower
B.High
C.Top
D.Adjust

你可能感興趣的試題

單項(xiàng)選擇題

Before the（）of the derrick, check all the tackle closely.

A.operation
B.operate
C.operated
D.operator

單項(xiàng)選擇題

During the voyage, the derrick should be stowed （）.

A. fore
B. aft
C. fore and aft
D. lowered