The paper introduces CO_2 arc process and equipment for welding the connecting hole joints of thin steel column radiators.
介绍了钢制柱型散热器连接孔薄板内孔CO_2自动焊设备及工艺。
The connecting hole on the upper arm of the hoist is penetrated by a connecting shackle connected with a main steel cable hanging rope.
吊具上臂的连接孔穿有连接卸扣，连接卸扣连接主钢丝绳吊系；
A metal framework is embedded in the composite wear-resistant plate, and the metal framework is provided with a connecting hole or a connection bolt.
在复合耐磨板内预埋金属骨架，金属骨架上设有连接孔或者连接螺栓。
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