双语例句
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Its operating principle, structure constituent, circuit design and mechanical layout are described.
叙述了该装置的工作原理、结构组成，电路设计及机械设计。
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Railway track construction and maintenance plant. levelling and layout maintenance of points and crossing. tamping and trimming heavy mechanical.
铁路建造和维护设备。尖轨与辙叉的水准测量和布局维护。捣固和修整重型机械。
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The layout problem of mechanical product belongs to complex three-dimensional layout problem.
机械产品的布局设计问题属于复杂的三维布局问题。
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