单项选择题
A.teams B.parties C.gangs D.pairs
The wire ropes and blocks, or pulleys, on a ship are ca...
单项选择题The wire ropes and blocks, or pulleys, on a ship are called （）.
A.fittings B.riggings C.equipment D.device
Each cover consists of two or （）panels.A.twoB.oneC.more...
单项选择题Each cover consists of two or （）panels.
A.two B.one C.more D.much
A （）is at the end of the cargo runner for picking up th...
单项选择题A （）is at the end of the cargo runner for picking up the load.
A.sling B.hook C.block D.tackle
