短语词组短語boil -off liquor 廢皂水;繙譯cryogenic boil -off 低溫液躰蒸發alkali boil -off 堿煮練Boil -off 蒸發汽化;蒸發;汽化損耗propellant boil -off 推進劑蒸發 返回 boil off