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- A mathematical model about the duration of seal test of hydrostatic test for gas pipeline was developed firstly. 研究成果为管道严密性水试压稳压时间的确定,以及强度试压和严密性试压不能合并提供了理论依据。
- In the seal test ,the correct rate of the monosyllabic words and double syllabic words and the total respectively reaches 99.69% ,92.43% and 99.47%. 封闭测试中，单音节多音词、双音节多音词及文本总的标音正确率分别为99.;69%25、92
- In order to control the fluid temperature conveniently, a fluid temperature control system of mechanical seal test bed with single-chip processor is designed. 摘要为了方便地控制机械密封实验台流体的温度，运用单片机作为主控机，设计了一套流体温度控制系统。
- The regulations and methods for valve base seal test, valve seal test, valve strength test, long term valve test, fatigue test and operating torque test were summed up in this article. 汇总了塑料阀门产品要求的阀座密封试验、阀体密封试验、阀体强度试验、阀门长期试验、疲劳强度试验和操作扭矩的规定和方法。
- Air seal test method of glass-lined equipments 搪玻璃设备气密性试验方法
- Vehicle Turbocharger Seal Test Methods 车用涡轮增压器密封结构的检测
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- 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。
- Using TBC as inhibitor, the effects of reaction temperature, reaction time and TBC dosage on the IP loss were investigated by tube sealing test. 通过封管实验重点考察反应温度、反应时间及阻聚剂TBC的加入量对IP损失率的影响。
- Users can take a sealing test with water pressure of 4MPa and the sealing surfaces must be grinded again if waer escapes. 如果由于运输、保管等原因，可能影响密封性时，用户可进行4Mpa压力的水压密封试验，如果有泄漏应重新研磨密封面。
- 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。
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- 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。
- He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
- 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
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
