阀门与管路连接采用焊接式结构。
A welding structure is used to connect the valve and pipelines.
该机能用于磨削各种规格的焊接式刀具。
This machine is ideal for grinding various types of turning tool.
因而提出了将吹吸式通风装置用于棚板焊接烟尘控制上。
Thus we put forword to apply Push pull ventilation device to dust control welding roof.
所述闭式套筒焊接在主体上。
所述闭式套筒焊接在主体上。
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