某些在内河航道建造的小型船只横向下水，除此之外，大部分的船只都是从造船台上尾部开始下水。
Apart from certain small craft built on inland waterways, which are launched sideways, the great majority of ships are launched stern first from the building berth.
造船门式起重机是一种大起重量、大跨度、多功能、高效率的门式起重机械，专用于船坞（或船台）进行大型船体分段运输，对接及翻转作业。
Shipbuilding gantry crane a kind of gantry cranes of large lifting capacity, mare ultifunctions, and high efficiency which is dedicated for large hull staging, butt and flip operations in docks.
渤海造船厂的船台是一座半潜式纵向下水船台，下水运动过程与常规纵向下水过程不同。
The slipway in 431 ship-yard being a semi-submersible types of longitudinal slipway, launching motion process is different from the regular.
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