Mouth of conduit should be laid levelly.Conduit should not be inserted into box obliquely and the length in the box should be no more than 5mm.Conduit should be fixed by nut.是什么意思_Mouth of conduit should be laid levelly.Conduit should not be inserted into box obliquely and the length in the box should be no more than 5mm.Conduit should be fixed by nut.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句