短語詞組短語warning g level 警戒水位warning water level [水文]警戒水位;水位warning quality level 質(zhì)量等級報警warning tidal level 警戒水位warning water level for storm -surge-prevention 警戒潮位quota warning level 配額警告等級;配額正告等級;品級above warning level 上述警告級別;警戒水位以上maximal warning level 最高的警告級別warning level of flight delays 航班延誤預(yù)警 返回 warning level