单词	general hardware
释义	general hardware 日用五金
随便看	variable polarity plasma seam welding variable polarity power Variable polarity power arc welding variable polarity rectangular wave variable polarity TIG variable polarity TIG/PAlasma are welding variable polarization variable-polarization variable polarization antenna variable pole variable-pole-speed motor variable population variable porosity variable porosity porous wall variable portion variable position catapult variable-position catapult variable-position cutter variable position valve variable potency ratio variable potential source variable power variable-power variablepower afocal variable power control