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- The final solution to improve control, and extend sleeve life was to furnish the system with TFO back pressure devices. 而改善控制能力，延长套管使用寿命的最终解决方案则是为系统配置TFO回压装置。
- What is maximum acceptable back pressure? 如果是,给出可接受的最大背压?
- Seating load and tightness is dependent on back pressure. 阀座密封负载和紧密性与反压力相关。
- This back pressure is no problem for the rupture disk. 如果压力放散系统的压力进入到爆破片中，对爆破片不会产生影响。
- Several different types of valves are in use. Some are back pressure valves. 有几种不同的阀在使用中,有些是反向压力阀。
- The engines rely on "Pump Duse" technology which literally means pressure device. 靠引擎"泵滤"技术即为何压装置。
- Method: Nurse 720 renal patients for renal biopsy used with self-synchronistic negative pressure device. 方法：应用自动同步负压活检装置对720例肾病患者进行肾活检的护理。
- Main parts include:Easy-carried Forklike Forklike frame,Electrothermal Board and Pressure Device. 该机以铝合金为主要制造材料。主要由整体便携式叉型结构机架、电热板、压力装置组成，携带方便，使用轻巧。
- Diplegs play an important role as pressure seals against the considerable back pressure generated. 料腿则起着对产生的相当大的背压加压密封作用。
- The most important complication of urinary tract obstruction is renal parenchymal atrophy as a result of back pressure. 尿路梗阻最重要的并发症为反压所致的肾实质萎缩。
- Objective: To assess the nursing of renal patients for renal biopsy used with self-synchronistic negative pressure device. 目的：探讨应用自动同步负压活检装置进行肾穿刺的护理方法。
- Back Pressure Propagation of network congestion information upstream through an internetwork. 网际中上传的网络拥塞信息。
- The stove and cylinder valve's copulae, use tie-in double pressurize device. 卡炉与气瓶阀门的接合部位采用接头双重密封装置。
- This filter is designed to have very little back pressure and is easy to squeeze with a faster flow rate. 这是为了过滤很少背压,易于挤压得更快流量。
- Conclusion: The nursing of renal patients for renal biopsy used with self-synchronistic negative pressure device is simple, easy, scientific and useful. 结论：应用自动同步负压活检装置进行肾穿刺的护理方法简单、易行，科学性、实用性强。
- The big and small rubber plugs has locking mechanism to prevent back pressure and has good drillability. 大小胶塞设有锁紧机构，注完水泥后可防止回压，且附件具有良好的可钻性；
- The reason a steady state was never reached was that the back pressure built up too slowly. 不能达到稳定状态的理由是背部压力上升太慢。
- The spray penetration decreases and overall SMD increases with the increasing back pressure. 随著背压的升高，油束贯穿度减小而整体索特平均直径增加。
- Variable back pressure is the superimposed back pressure that will vary with time. 可变背压是随时间变化的附加背压。
- For this reaso n,a novel hydraulic pressurizing device has been invented at this historic momen t. 既要能够提高水力能量的利用率,同时又要易于井下实现,设计出这样一种装置是十分必要和迫切的。
