The majority of automatic mooring winches are spur geared to improve the backward efficiency of the gear train for rendering（）

In automatic （） the winch may be overhauled and wire is...

单项选择题In automatic （） the winch may be overhauled and wire is paid off the barrel at a pre-determined maximum tension.

The （） is used for hauling in or letting out the wires ...

单项选择题The （） is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

（）with various arrangements of barrels are the usual mo...

单项选择题（）with various arrangements of barrels are the usual mooring equipment used on board ships.