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
更多“A towboat is pushing barges ahead at a dangerously fast speed when（）.”相关的问题
A、A 100 GT towboat，24 feet in length B、A 90-foot towboat tied to the pier C、A 60-foot towboat towing by pushing ahead D、A 400 GT towboat anchored
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
A、At the head of the tow B、75m from the head of the tow C、120m from the head of the tow D、180m from the head of the tow
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