单项选择题
A.bitt B.bollard C.capstan D.cleat
A contra-guide is a type of().A.bow thrusterB.cargo gea...
单项选择题A contra-guide is a type of().
A.bow thruster B.cargo gear C.steering engine D.rudder
A common means of connecting shots of anchor chain in t...
单项选择题A common means of connecting shots of anchor chain in the field is to use a().
A.sprocket B.Kenter link C.swivel D.end shackle
A chain stripper is used to().A.prevent chain from clin...
单项选择题A chain stripper is used to().
A.prevent chain from clinging to the wildcat B.clean the marine debris from the chain C.flake chain from a boat's chain locker D.clean chain prior to an x-ray inspection