短语词组短语respiration E valve 呼吸阀respiration valve detail 呼吸活瓣The respiration valve 呼吸阀three -way respiration valve detail 三通呼吸活瓣All -weather respiration valve 全天候呼吸阀two -way respiration valve 二通呼吸活瓣 返回 respiration valve