... three-phase fore-wire system三相四线制 three-phase welding三相电弧焊 three position valve三位阀 ...
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three-phase arc welding 三相电弧焊 ; 三相电弧焊接
three phase arc welding 三相电弧焊
three-to-single-phase welding transformer 三相输入的单相焊接变压器
Three-phase silicon rectifier welding technology 三相硅整流焊接技术
three-phase welding
三相焊接
以上为机器翻译结果，长、整句建议使用 人工翻译 。
A three phase half controlled bridge circuit with constant current and high efficiency is designed in the charged loop of the welding power supply. So a limiting current resistance is canceled.
在焊接电源的充电回路中设计了三相桥式半控、恒流高效充电回路，取消了限流电阻；
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