短语词组短语bottle e trap 瓶型气隔bottle -trap 翻译;瓶式曲管bbellyy bottle trap 瓶型气隔siphon bottle trap 反虹吸瓶型气隔anti -siphon bottle trap 反虹吸瓶型气隔trap bottle 分离器aspirator trap bottle 吸引器防泄瓶 返回 bottle trap