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- Can be used for petroleum, metallurgy, power generation, chemical, fertilizer, paper, sewage treatment, and other industrial valve, pump seal. 可用于石油、冶金、发电、化工、化肥、造纸、污水处理等工业的阀门、泵密封。
- Research and Design of Propane Pump Seal 丙烷泵密封的研究与设计
- Vacuum Pump Seal Water Control Valve 真空泵密封水控制阀
- The nitric acid three plunger pump seal box structural design is unreasonable,creates seals easily to expire,seriously affected and restricted the straight niter instrallation production. 硝酸三柱泵密封结构设计不合理,造成密封易失效,严重地影响和制约了直硝装置浓硝酸的生产。
- The nitric acid three plunger pump seal box structural design is unreasonable, creates seals easily to expire, seriously affected and restricted the straight niter instrallation production. 摘要硝酸三柱泵密封结构设计不合理，造成密封易失效，严重地影响和制约了直硝装置浓硝酸的生产。
- 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。
- BA series pump sealed the shaft with stuffing, CB series pump sealed the shaft with mechanical seal, the two series pumps have the same parameters, contour and installation size. BA泵的轴封采用软填料密封，CB泵的轴封采用机械密封，两形式的性能参数、外形及安装尺寸完全相同。
- 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。
- Improvement and Invalidation Analysis of Ship Centrifugal Pump Seal 船用离心泵密封的失效分析及其改进
- 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。
- Yao filter products are licensed, non-liquid pump seals, may idling portable pumps, pump more than 30 other specifications. 现产品有瑶池牌过滤机、无轴封液下泵、可空转手提泵、自吸泵等30多个规格。
- 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
- A tyre expands when you pump air into it. 轮胎一打气就鼓起来。
- 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。
