单项选择题
A.fasten B.unfasten C.move D.shift
Oil pumped ashore by ships’（）（油泵）.A. pineB. hoseC. oil ...
单项选择题Oil pumped ashore by ships’（）（油泵）.
A. pine B. hose C. oil pump D. crane
（）（重）cargo might break fragile cargo.A.ContainerB.Dange...
单项选择题（）（重）cargo might break fragile cargo.
A.Container B.Dangerous C.Heavy D.Light
General cargo is loaded by（）（克令吊）.A.shipsB.derricksC.cr...
单项选择题General cargo is loaded by（）（克令吊）.
A.ships B.derricks C.cranes D.winch
