全波電阻焊電源 constant-power welding source: 恒定功率焊接電源; 恒功率式焊接電源inverter welding power source: 逆變式焊接電源power source of electric welding: 電源welding power source: 焊接電源internal resistance of power source: 電源內(nèi)阻下載手機詞典可隨時隨地查詞查翻譯