... 二层台栏杆handrail for monkey board 拖拽装置draging device 绞车架supporting rack for drawworks ...
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一艘有合适的拖拽装置和足够马力(至少15,000)的拖船应该可以把损坏的船只牵引到一个安全的停泊地点。
A tug of sufficient horsepower (at least 15,000) with proper towing gear should have been able to tow the disabled vessel to a protected anchorage.
由于较低部位的电缆比较高部位的电缆移动慢,上升的电梯箱将落后于转动锚点,这样就会引起一个拖拽并可能进一步破坏整个装置的稳定。
Since the lower regions of the cable are moving slower than the higher ones, a rising car will lag behind the orbiting anchor, causing a drag on the cable that could destabilize the entire assembly.
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