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- A perforated tube driven into the ground to collect water from the surrounding area. 一种被放在地下从周围地区收集水的便携式管子。
- The predicted transmission loss of perforated tube silencers using the finite element method and experimental results are compared and showed good agreement. 使用有限元法计算穿孔管消声器的传递损失,并与实验测量结果进行了比较,二者吻合良好。
- We obtained better results by repairing the perforated tubes with expanded joint copper tube spools in January,2007. 我们于2007年元月采取用铜短管胀接修补,取得了较好的效果。
- Mufflers and silencers widely used in industry usually contain complex internal geometry such as extended inlet/outlet tubes, thin baffles, branched cavities, and perforated tubes. 摘要工业上广泛使用之消音器内部有复杂元件，如薄板、支管、穿孔管等，其中以穿孔管最难模拟分析。
- Sheets of postage stamps are perforated. 一张张的邮票都打过接缝孔。
- The target was perforated by bullets. 靶子上全是子弹打穿的孔。
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
- Having no opening; not perforated. 不开口的，不穿孔的
- I must buy a tube of toothpaste. 我必须买一支牙膏。
- This tube is flexible but tough. 这管子柔软但很坚固。
- Acoustic attenuation performance calculation and analysis of straight-through perforated tube silencers 直通穿孔管消声器声学性能计算及分析
- A glass tube for enclosing the flame of a lamp. 玻璃灯罩围住灯的火焰的玻璃管
- A corrugated or perforated conducting plate in a storage battery. 极板网栅，蓄电池电极板蓄电池中呈波纹状或有孔的导电板
- Apply solution to the tube and allow to become tacky. 在内胎上涂抹胶水并让它发粘。
- In perforated continuous forms paper, the interval between cuts. 在穿孔的连续格式纸上，割线之间的间距。
- The tube was sealed off by fusing the material together. 管子以熔合管端的方法封闭起来了。
- He slipped the telescope into a steel tube. 他将望远镜收进一根钢管内。
- The tube is sealed at both ends. 这管子两端是密封的。
- The transmitter was pulsed by an electron tube. 电子管使发射器产生脉冲波。
