... 密封波纹管 seal bellows 焊接波纹管 welded bellows; welded ends; welding bellows 焊接金属 weld metal; welded metal; weldedmetal; welding metal ...
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At both ends of conduit in non-explosion proof area, the bridging lines should welded or the earth wires should be connected with clamp.
非防爆区域内穿线管连接处两端，应焊接跨接线，或用接地线通过接地卡连接。
Ends welded: 40% of work and 60% of cumulative work.
管道焊接：40%的劳动量和60%的累计劳动量。
Furnace steel and steel plates were welded body constituted by the shell, and its both ends with heat-resistant material made of stainless steel pneumatic door.
加热炉体由型钢和钢板焊接构成外壳，它的两端部装有耐热不锈钢材制成的气动炉门。
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