The effect of Li_2O and the total amount of metallic oxide in the contact material on the resistant to elec- tric erosion and fusion welding was dis- cussed.是什么意思_The effect of Li_2O and the total amount of metallic oxide in the contact material on the resistant to elec- tric erosion and fusion welding was dis- cussed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句