Electrods relative motin speed s effect on wear resis tance, plating voltage s on hardness and temperature s on brightness were the main couples.是什么意思_Electrods relative motin speed s effect on wear resis tance, plating voltage s on hardness and temperature s on brightness were the main couples.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句