1. A large, valved, brass wind instrument with a bass pitch. 
   大号大型带活塞的低音铜管乐器
2. Any of several upright, valved brass wind instruments used especially in bands. 
   中音萨克号乐队中所用的几种直型阀门式铜管乐器
3. An apparatus for producing a strong current of air, as for sounding a pipe organ or increasing the draft to a fire, consisting of a flexible, valved air chamber that is contracted and expanded by pumping to force the air through a nozzle. 
   风箱能产生强气流的一种装置，如用于探检管状器官或给火增加风量，由一个活动的带有阀门的空气室组成，可通过一喷嘴向空气室打气使之压缩或膨胀

查看更多例句 相关情景会话

• 1. 装有阀
  装有宝石的jewelled...装有阀valved...装有护套的sheathedshielded
  www.b2b99.com - 相关搜索
• 2. 按鍵
  滑管Slide...按鍵valved...自然號Natural Trumpet
  blog.sina.com.cn - 相关搜索