单项选择题
A.square knot B.carrick bend C.becket bend D.sheepshank
The knot at the end of the heaving line used to pass th...
单项选择题The knot at the end of the heaving line used to pass the towing hawser is called a（）.
A.monkey's fist B.ball or baseball knot C.heaving knot D.three strand Turk's head
he heel block is located（）.A.at the base of the boomB.a...
单项选择题he heel block is located（）.
A.at the base of the boom B.at the cargo hook C.near the midships guy D.near the spider band
The disadvantage of using three strand nylon line for t...
单项选择题The disadvantage of using three strand nylon line for towing is its（）.
A.inherent weakness B.tendency to rot if left damp C.danger to crew if it parts D.strength and shock absorbing abilities
