A.pressure release B.backfire flame arrestor C.automatic shut off D.flow valve
A.deem to be B.deem being C.be deemed to be D.be deemed being
A.黃色 B.淡灰色 C.暗棕色 D.紅色
A.平均吃水 B.尾吃水 C.首吃水 D.吃水差
A.A vessel picking up a navigation mark B.A vessel transferring cargo while underway C.A vessel whose anchor is fouled D.A vessel in a towing operation that restricts the ability of the vessel and her tow to change their course
A.凝點(diǎn) B.閃點(diǎn) C.粘度 D.A+C
A.actual total loss B.constructive total loss C.general average D.particular average
A.a heavy anchor with an extra long line used to anchor in deep water B.a cone shaped bag used to slow down the wind drift effect C.a padeye to which the sea painter is made fast D.made of wood if it is of an approved type