The body must be cleaned before installed and there is no dirt and sundries clinging to the body, especially pay attention to the sealing surface and the rubber sealing ring.是什么意思_The body must be cleaned before installed and there is no dirt and sundries clinging to the body, especially pay attention to the sealing surface and the rubber sealing ring.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句