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- The design of turbulator air preheater with finned tube and that with optic tube as well as its application in petrochemical works were recommended. 介绍了扰流子翅片管空气预热器及光管扰流子空气预热器的设计以及在石油化工厂中的应用情况。
- Nothing can be done if the optical tube is not perpendicular to the declination axis or if the R.A. and Dec axes are not perpendicular, because these problems are next to impossible to fix. 但没有避光学镜筒没有垂直于赤纬轴，或是赤纬轴与赤经轴没有互相垂直更糟的情况，因为这需问题会导致根本无法固定住要观测的目标。
- Keywords Optic tube;Finned tube;Turbulator;Air preheater;Design;Application; 光管;翅片管;扰流子;空气预热器;设计;应用;
- His optic nerve was hurt in an accident. 他的视神经在一次事故中受到损伤。
- 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。
- The optic theory originated with Einstein. 光学理论是爱因斯坦首创的。
- 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。
- self-standardized micro-flat optical tube 自准测微平光管
- A glass tube for enclosing the flame of a lamp. 玻璃灯罩围住灯的火焰的玻璃管
- Apply solution to the tube and allow to become tacky. 在内胎上涂抹胶水并让它发粘。
- 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。
- Suck on the tube to draw up the water. 用管子把水吸上来。
- She bought a tube of toothpaste. 她买了一管牙膏。
- Light stimulates the optic nerve. 光刺激视神经。
- A tube with a very small internal diameter. 毛细管一根内径十分细小的管子
