单项选择题
A. through bolts B. nuts C. bolts D. split pins
All the （）(金属板) and paint are to be supplied by the shi...
单项选择题All the （）(金属板) and paint are to be supplied by the shipyard.
A.plates B.plastics C.boards D.materials
Sailors have to spend most of their time in （）(除锈) and ...
单项选择题Sailors have to spend most of their time in （）(除锈) and painting.
A.derusting B.cleaning C.repairing D.closing
The （）(地脚货) and broken dunnages in the holds have to be...
单项选择题The （）(地脚货) and broken dunnages in the holds have to be removed.
A.sweepings B.swell C.sleeping D.rubbish
