单项选择题
A.weight of cable to weight of vessel B.weight of cable to weight of anchor C.length of anchor to depth of water D.length of cable to depth of water
Three SHORT BLASTS mean（）.A.I am altering my course to ...
单项选择题Three SHORT BLASTS mean（）.
A.I am altering my course to starboard B.I am altering my course to port C.I am operating astern propulsion D.I am operating ahead propulsion
The winch is liable（）worn-out in this way.A.gettingB.to...
单项选择题The winch is liable（）worn-out in this way.
A.getting B.to get C.to have got D.for getting
The winch at Hatch No.3 is（）trouble.A.atB.inC.onD.over
单项选择题The winch at Hatch No.3 is（）trouble.
A.at B.in C.on D.over
