Cleanout should be installed no less than 200mm away from wall.If cleanout is replaced by choke plug at start point of waster water pipe, it should be no less than 400mm away from wall.是什么意思_Cleanout should be installed no less than 200mm away from wall.If cleanout is replaced by choke plug at start point of waster water pipe, it should be no less than 400mm away from wall.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句