电弧打到钢瓶上。
These arc strikers are of value for improving arc strike behaviour and reliability of invert welding power sources.
这些引弧器的应用对于提高逆变焊机的引弧性能、可靠性等有较大的益处。
There have four kind of basins in the South China Sea area: rifting basin, strike-slip rifting basin, fore-land basin and fore-arc basin.
南海地区新生代沉积盆地有四类：张裂盆地、走滑拉张盆地、前陆盆地和前弧盆地。
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