单项选择题
A. derrick B. winch C. block D. heavy derrick
The bosun is greasing the （）. It is well greased.A. rop...
单项选择题The bosun is greasing the （）. It is well greased.
A. rope B. cargo wire C. ladder D. All above.
Is this（）longer or shorter?A. cargo wireB. wire cargoC....
单项选择题Is this（）longer or shorter?
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
