A、A.prevent the towboat from sliding when the rudder is moved
B、B.prevent the barges from spreading out when backing down
C、C.hold the towboat securely to the barges
D、D.prevent the sidewise movement of the face barges
更多“When pushing ahead，wires leading from the quarters of the after outboard barges to the bow of a towboat（）.”相关的问题
A、a vessel towing by pushing ahead B、a power-driven vessel，not towing C、a barge being pushed ahead D、either answer A or answer B
A、the towboat vibrates when backing down B、the roostertail exceeds the height of the main deck C、a strain is placed on the face wires D、water comes over the foredeck of the lead barges
A、vessel towing astern B、barge pushed ahead C、vessel towing astern only when the length of her tow exceeds 200 meters D、this signal does not exist in international waters
A、with bow out，stern in B、with bow in，stern out C、parallel to the dock，as close in as possible D、parallel to the dock，as far out as possible
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