To replace diaphragm; loosen lock nut (48) and remove lock washer (46), diaphragm plate (60) and diaphragm (20).是什么意思_To replace diaphragm; loosen lock nut (48) and remove lock washer (46), diaphragm plate (60) and diaphragm (20).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句