arc lamp
弧[光]灯
弧光灯
弧灯
封闭式碳极弧灯
敞露式碳极弧灯
发光弧灯
投射弧灯
xenon arc lamp accelerating ageing
Xenon arc lamp artificial aging
AC arc welding power source∥Pulsed arc stabilizer
gas metal arc welding-pulsed arc
Plasma arc ∥ Plasma arc by a microcomputer aided photo processing
twin arc submerged arc welding
AC split-phase start totally enclosed frictional horsepower motor
disputes of the enclosed water areas
Enclosed
封
封闭
闭
全
闭式
密封
围封
围栏
封入
围
防
密
包围
封闭式开关
全封闭
封闭式
封闭空气
闭式开关屏
封熔熔线
附入
附加文档
封育
封闭的