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- The effect of pre oxidation of the Kovar alloy Fe Ni Co on the resulting glass Kovar seal has been studied using metallography, XRD and SEM. 采用金相、 XRD、 SEM观察分析了 Kovar合金 (铁镍钴合金 )氧化膜的连续性、厚度对封接件的透气率、抗拉强度的影响。
- 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
- Kovar seal 科伐封接
- 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。
- 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。
- The rubber seal is designed to keep out all the moisture. 橡胶的密封垫是用以隔绝湿气的。
