单项选择题
A.extending out from a bluff alongside the river B.that tends to give a false indication of its position C.that has a sharp drop off into deep water D.that is perpendicular to the current
A block and tackle is rove to advantage. This means tha...
单项选择题A block and tackle is rove to advantage. This means that the（）.
A.blocks have been overhauled B.hauling parts of two tackles are attached C.hauling part leads through the movable block D.hauling part leads through the standing block
A bilge suction line，in a fishing vessel with more than...
单项选择题A bilge suction line，in a fishing vessel with more than 16 individuals aboard，must have a strainer with an open area not less than how many times the open area of the suction line?（）
A.one B.two C.three D.four
Limber is a term associated with（）.A.emergency gearB.dr...
单项选择题Limber is a term associated with（）.
A.emergency gear B.drainage C.deck cargo storage D.securing gear
