NOTE: When draining Table Top models, remove the screw securing the drain access cover. Remove the cover by pulling down and away from the water heater.是什么意思_NOTE: When draining Table Top models, remove the screw securing the drain access cover. Remove the cover by pulling down and away from the water heater.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句