短语词组短語water seal trap 水封圈閉water r trap 聚水器water set trap 裝於水中的夾子Water knockout trap series 分水器系列water -trap stomach 幽門高位胃;繙譯water tray trap 水盆誘捕器water phase trap 水相圈閉water knockout trap [油氣]分水器sink water trap 洗滌盆存水彎 返回 water trap