design structure and process technology characteristic of pneumatic spot welding electrode holder and gas-liquid pressure spot welding electrode holder have been compared and selected.
对气动式点焊钳与气—液压式点焊钳的设计与结构、加工工艺特点进行比较和选择。
the method is to inject tungsten into the work end face of the spot welding electrode to improve the performance of the electro de.