短语词组短語wedge gate flooding valve 楔形通海閥;楔形通海牐閥magazine flooding valve 彈葯艙浸水閥counter flooding valve 防泛閥webge gate flooding valve 楔形通海閥proportional flooding valve 比例溢流閥pressure -adjusting flooding valve 調壓溢流閥 返回 flood valve