桥上旭普林无砟轨道机械施工的重点是混凝土道床板的施工技术。
The key point for its mechanical construction is construction technology of concrete track beds.
门插销轨道应该采用机械螺丝固定在门上工厂预装的螺纹黄铜嵌入件内。
Latch track shall be attached to door by machine screws into factory installed threaded brass inserts.
料斗升降机是起重机械中的一种单斗提升的升降机，一般由带走轮的料斗、轨道及其支架、牵引绞车和滑轮组成。
The hopper elevator is a kind of single bucket elevator, which is composed of a hopper, a rail and a bracket, a traction winch and a pulley.
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