In the event of fouling of downstream check valve, leakage of CO2 gas would be vented to atmosphere through the vent port thereby safeguarding the potable water system from CO2 gas contamination.是什么意思_In the event of fouling of downstream check valve, leakage of CO2 gas would be vented to atmosphere through the vent port thereby safeguarding the potable water system from CO2 gas contamination.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句