单项选择题
A. deck cargo B. wet cargo C. light cargo D. heavy cargo
Persons who load and discharge ships are called （）(装卸工人...
单项选择题Persons who load and discharge ships are called （）(装卸工人).
A. cargo workers B. dockers C. port men D. stevedores
There is no power for the （）(起货机).A.winchB.craneC.derri...
单项选择题There is no power for the （）(起货机).
A.winch B.crane C.derrick D.boom
Containers are loaded and discharged by （）(龙门吊).A. ship...
单项选择题Containers are loaded and discharged by （）(龙门吊).
A. ship’s derricks B. fork trucks C. gantry cranes D. shore cranes
