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- This paper introduced principle, process, characteristics and controlling deep slot of spiral groove movable ring of photoetching in the liquid hydrodynamic seal. 主要介绍了流体动力密封螺旋槽动环光刻工艺的特点、原理、工艺过程、工艺流程、槽深控制方法以及应用情况,提出了采用高能束流刻蚀螺旋槽动环的新途径。
- Application of Hydrodynamic Seal in Nationalization of the Inlet Internal Engagement Gear Pump 流体动压反输型密封在进口内啮合齿轮泵国产化中的应用
- Cook the meat quickly at first to seal in the juices. 一开始要大火烧肉，以便保存肉汁。
- The putty gives a good seal round the window. 窗户四周泥的油灰密封效果很好。
- Our foil packets seal the flavour in. 我们用锡纸包装以保持原味。
- This document carries the royal seal. 这份文件上盖有王室印章。
- The seal on the bottle has perished. 瓶子的封记已经腐烂。
- He impressed his seal on the wax. 他在火漆上盖了他的私章。
- The deal needs the government's seal of approval. 这一交易需经政府批准。
- Seal (up) the window to prevent draughts. 把窗户封起来以防风。
- A round seal affixed to a papal bull. 印玺一个圆形的教皇的正式宣布训令或法令的封印
- She forgot to seal her letter before mailing it. 她忘记在寄信前将信封上。
- The experience set the seal on their friendship. 这一经历确定了他们的友谊。
- He affixed his seal to the document. 他在文件上盖了印。
- Their handshake was a seal of friendship. 他们的握手是友谊的象徵。
- Do you know how much a seal coat is? 你知道海豹皮大衣多少钱一件?
- The envelope's seal was torn open. 信封封缄被撕开了。
- Experimental study of crenellated radial labyrinth seal. 锯齿形径向迷宫密封的实验研究
- The letter bears the seal of the king. 这封信有国王的封印。
- The seal on this bottle is broken. 这个瓶上的密封纸破开了。
