The lamp is so wired that when the main safety switch is turned on ,the motor blower automatically operates to circulate the air in the lamp housing.是什么意思_The lamp is so wired that when the main safety switch is turned on ,the motor blower automatically operates to circulate the air in the lamp housing.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句