单项选择题
A.Rags B.Rats C.Rubbish D.Derricks
Saw dust is used to （）.A. absorb the oilB. repair the d...
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
Spade is used to （）.A. get rid of the garbageB. fill th...
单项选择题Spade is used to （）.
A. get rid of the garbage B. fill the ballast water C. repair the derrick D. adjust the derrick
（）refers to the paint on the freeboard.A. Dry paintB. T...
单项选择题（）refers to the paint on the freeboard.
A. Dry paint B. Topside paint C. Side paint D. Primer
