1. A heavy beam of timber, concrete, or steel, driven into the earth as a foundation or support for a structure. 
   桩木头、水泥或钢的重梁，固定在地上作为某一结构的基础或支撑
2. atomic beam and molecular beam 
   原子束和分子束
3. high flux electron beam and ion beam 
   强流电子束和离子束
4. dual beam speckle interferometry 
   双光束散斑干涉法
5. electron beam semiconductor device 
   电子束半导体器件

查看更多例句 相关情景会话

• 1. 混凝土梁
  组合梁 concrete beam...混凝土梁 cone beam scanning...[医]锥形线束扫描 cone-shaped beam
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• 2. 组合梁
  混合连续梁 compound beam...组合梁 concrete beam...混凝土梁 cone beam scanning
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