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- According to sealing characteristics of blowout preventer used for high pressure water injection wells in snubbing service, a new type of snubbing unit is put forward. 针对目前带压作业防喷装置存在承压低、胶心寿命短以及安全性差的问题,研制了一种新型带压作业防喷装置。
- The causes of producing error results were analyzed at detecting alkaline cell seal characteristics,using phenolphthalein solution. 分析了用酚酞试剂检测碱性电池密封性能产生错误结果的原因。
- After the starting of hydrocarbon migration,sealing characteristics of developing fault changes actively and leads to strong remigration in the same period. 油气移聚期开始后，发育中的断层的封闭性将活跃地转化，引起强烈的再运移。
- The seal characteristics influenced by the geometry parameters of the grooved seal face were discussed,the optimized geometry parameters were suggested. 并探讨了各种结构参数对密封性能的影响规律,对密封的设计、制造及应用具有一定的指导意义。
- In order to increase reliability using phenolphthalein solution to detect alkaline cell sealing characteristics, the water in the alcohol was decreased, environment humidity were requisite. 为了提高酚酞溶液检测碱性电池密封性能的可靠性，就必须减少配制酚酞试剂酒精中的含水量，同时也必须降低测试环境湿度。
- The sealing degree was firstly evaluated based on the sealing characteristics of the faults transversally and longitudinally, by means of comprehensive assessment of fuzzy mathematics. 首次从断层纵向和横向封堵特征入手，运用模糊数学综合评价方法对研究区断层的封闭性和封闭程度进行了综合评价；
- Aimed at Liaohe heavy oil reservoirs,a new type of high temperature fleeing proof chemical agent FPJ was developed by the research of foamability,foam stability and sealing characteristic. 针对辽河油田稠油油藏特点,通过发泡性能、泡沫稳定性以及高温下的封堵性能的研究,研制出一种新型的高温防窜化学剂体系FPJ。
- 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。
- It shows that the system own good rheology property and filtration properties, strong inhibition, outstanding the tolerance to fouling,good sealing characteristic,good thermostability. 实验结果表明，体系具有流变性好、失水造壁性好、抑制性强、抗污染能力强、润滑性好、封堵能力强和热稳定性好等优点。
- Aimed at Liaohe heavy oil reservoirs, a new type of high temperature fleeing proof chemical agent FPJ was developed by the research of foamability, foam stability and sealing characteristic. 摘要针对辽河油田稠油油藏特点，通过发泡性能、泡沫稳定性以及高温下的封堵性能的研究，研制出一种新型的高温防窜化学剂体系FPJ。
- 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。
- She has Asiatic characteristics. 她具有亚洲人的特点。
- 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。
- Sealing is prohibited in many countries. 许多国家禁止捕海豹。
- Paradox and irony are characteristics of her style. 她善於运用似非而是的隽语和反语。
- Seal (up) the window to prevent draughts. 把窗户封起来以防风。
