单项选择题
A. cargo wire B. wire cargo C. wire of cargo D. heavy cargo
Timber is in （）.A.casesB.bagsC.bundlesD.drums
单项选择题Timber is in （）.
A.cases B.bags C.bundles D.drums
A （）can give power to hoist or lower cargo.A. cargo win...
单项选择题A （）can give power to hoist or lower cargo.
A. cargo winch B. lift winch C. derrick D. crane
Rubbish can be thrown into the water （）.A. in a harbour...
单项选择题Rubbish can be thrown into the water （）.
A. in a harbour B. in any place C. 25 miles off the land D. 10 miles off the land
