撇缆：HEAVING LINE；推进器：PROPELLER。
撇缆：HEAVING LINE；推进器：PROPELLER。
相关考题：
The disadvantage of using a heaving line to pass a towline is that ______.A.it increases the likelihood of collision between the towing vessel and the disabled vesselB.recreational boaters tend to make the heaving line fast to the towed vessel as if it were the towlineC.the monkey fist may injure someoneD.it may reduce the catenary and increase yawing
送撇缆上岸。（）A、Send rope to shore .B、Send heavy line to shore .C、Send heaving line ashore .D、Send light line ashore .
The pilot ask （） to throw a heaving line to lift his bag.A、chief officerB、captainC、the duty sailorD、the second officer
Mind your head .I am dropping the light line now.（）A、注意了！我扔撇缆了。B、小心头！我扔撇缆了。C、小心头！我要向下扔细绳了。D、注意了！我要扔细绳了。
单选题The knot at the end of the heaving line used to pass the towing hawser is called a（）.Amonkey's fistBball or baseball knotCheaving knotDthree strand Turk's head
单选题The disadvantage of using a heaving line to pass a towline is that（）.Ait increases the likelihood of collision between the towing vessel and the disabled vesselBrecreational boaters tend to make the heaving line fast to the towed vessel as if it were the towlineCthe monkey fist may injure someoneDit may reduce the catenary and increase yawing
单选题The pilot ask （） to throw a heaving line to lift his bag.Achief officerBcaptainCthe duty sailorDthe second officer
单选题In towing，heaving lines are used for（）.Apassing a tow bridle to the tugBpassing a messenger lineCheaving in the tow bridleDservice lines with rocket line throwers
单选题船前后备好撇缆！（）AHave the heaving line ready fore and aft.BHave the head line ready fore and aft.CHave the breast line ready fore and aft.DHave the light rope ready fore and aft.
单选题为确保撇缆时的成功，因此在撇缆时应注意（）A防止绳圈纠缠，投掷前应将绳圈清理整齐，撇缆头不能套入绳圈B在风力影响较大时，应估计风力、风向对撇缆的影响，正确选好投出方向和投掷目标C在撇缆前应检查撇缆绳是否有损伤，特别是撇缆活结处及撇缆尾端的引环或套钩处DA、B、C均对
单选题Mind your head .I am dropping the light line now.（）A注意了！我扔撇缆了。B小心头！我扔撇缆了。C小心头！我要向下扔细绳了。D注意了！我要扔细绳了。
单选题撇缆（）Aheaving lineBstern lineChead lineDspring line