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- MJC: The sources of these internal transients are everyday items, such as air compressors, arc welders, pumps, elevators, switching power supplies and other inductive loads. 这些内部电涌的根源是每天都会使用的设备，如空气压缩机，电弧焊接机，泵，电梯，开关电源和其他的感应负载。
- The sources of these internal transients are everyday items, such as air compressors, arc welders, pumps, elevators, switching power supplies and other inductive loads. 这些内部电涌的根源是每天都会使用的设备,如空气压缩机,电弧焊接机,泵,电梯,开关电源和其他的感应负载。
- Our equipments are abundant such as side benders, cutting board machines, carbon dioxide protection welders, argon arc welder and so on. 在设备方面，钣金、冷作所需设备应有尽有，如弯边机、剪板机、二氧化碳保护焊机、氩弧焊机等等。
- Joan of Arc was one of France's greatest daughters. 圣女贞德是法国最伟大的女性之一。
- Workers are using electric welders to weld cracked steel. 工人正在用电焊机把断裂的钢筋焊结在一起。
- Joan of Arc was burnt (alive) at the stake. 圣女贞德在火刑柱上被(活活)烧死。
- Joan of Arc was made a saint in 1920. 1920年，贞德被追封为圣女。
- Some metals weld better than others. 有些金属容易焊，有的不容易焊。
- The sun appears to move in an arc across the sky. 太阳看起来在天空以弧线运行。
- Joan of Arc led a large army to raise the siege of Orleans in1429. 贞德在1429年率大军解除了英军对奥尔良的围攻。
- Fifty welders were declared redundant. 已公布削减五十名焊工.
- The stick of carbon is often used in an electric arc lamp. 碳精棒常用于电弧灯。
- It takes speed and skill to weld steel at this heat. 在这样的温度焊钢需要速度和技术。
- BATTERY, WELDERS AND BATTERY CHARGERS ETC. 求购电池及电池充电器。
- The iron rod supporting the valances was bent in an arc. 挂窗帘上部短幔的铁棍弯成了个弓形。
- Safety helmet for electric welders. 电焊工专用安全帽。
- What is welding? and what do welders do? 什么是焊接?焊接能做什么?
- It take speed and skill to weld steel at this heat. 在这样的温度焊钢需要速度和技术。
- It takes speed to weld steel at this heat. 在这样的高温下熔接钢铁需要快速。
- Arc strikes outside of the welds were avoided. 焊缝外要避免电弧穿刺。
