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- The principle of high frequency welding process and method in manufacture of lank seam tubes are elucidated.The process parameters involved in affecting the quality of welding seam are also explained. 论述了直缝钢管高频焊接的工作原理与方法，并对影响高频焊接焊缝质量的有关工艺参数进行了分析。
- Tube can be with seam or without. 管子可以是有缝的或是无缝的。
- A seam broke open at the sleeve. 袖子上接缝处裂开了一点。
- 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。
- A torn or split place, especially along a seam. 裂口破损或撕开的地方，尤指沿缝合处
- 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。
- 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。
- This seam of coal reposes on a layer of clay. 这个煤层处于一层黏土岩之上。
- A tube with a very small internal diameter. 毛细管一根内径十分细小的管子
- We can mend a seam but not a big hole. 我们可以缝好脱线处，但不是补大洞。
- The suit is sewn up along the seam by hand. 这套衣服是手工缝的。
