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- What is maximum acceptable back pressure? 如果是,给出可接受的最大背压?
- The research result shows that this principle and method provide a new thought to the design of back pressure pneumatic gauge. 研究结果表明，该原理和方法为背压式气动量仪的设计提供了一种新的思路。
- 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。
- Based on the experiment, we describe the multilevel pipe pressure loading method that can simulate the high back pressure of pump and has low noise property. 摘要在试验研究的基础上，论述了多级节流增压模拟水泵实际运行背压的低噪声特性。
- The DEH system of the back pressure turbine of thermal power plant is presented in detail and the load dump test used the conventional method is developed successfully. 以某热电厂背压式汽轮机数字电液调节系统(DEH)为例,介绍了该机组DEH系统的构成、特点以及机组DEH改造后采用常规法甩负荷试验的情况。
- Compared with others artificial lift method, the system can validly remove wax, formation salt and scale in oil tubing with lower equipme... 与其它人工举升方法比较 ,该系统不仅具有投资少、操作费用合理的特点 ,还可有效地消除油管内蜡、地层盐或垢物的集结。
- 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。
- This is a very simple procedure painless and not time consuming, this face lift method only takes over or within an hour to complete by using some local anesthesia. 这是一个很简单的程序,而不是费时费力,面对电梯这个方法只需一小时以上或用一些局部麻醉完成。
- With respect to problem of ripping, the arm lifting horizontality is standard. 关于手部动作，横上是固定的动作。
- 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。
- He stood there with his arms lifted above his head. 他站在那里，胳臂举过了头顶。
- Back Pressure Propagation of network congestion information upstream through an internetwork. 网际中上传的网络拥塞信息。
- 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。
- Of, relating to, or being a stroke in swimming that is begun with the arm lifted and stretched forward over the shoulder. （游泳时）单臂出水的属于、关于或作为游泳时的一次划水动作的，常先高举一只手臂，然后向前展过肩
- 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。
- Electrical submersible pump lifted wells is the main high rate artificial lift method in the high water cut period, but it is difficult to determine the down hole failure during productions. 油田进入高含水期所采用的电潜泵作为增大排液量的方法，在生产过程中容易出现许多不易判断的井下故障。
