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- Theory of Controlling Wellhead Back Pressure in UBD 欠平衡钻井井口回压控制理论与方法
- wellhead back pressure 井口回压
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- Back pressure The squeeze pressure between the blanket (offset) cylinder and the impression cylinder, Also called Impression pressure. 胶布圆筒(柯式机)和压力圆筒间因紧压而产生的压力。亦称压印力。
- Japan-line go once, immediately consider departure; - Application of Equal-string between the back pressure is substantially adjusted. 日线一旦走平,立即考虑离场;中期均线之间的反压是大幅调整的。
- Rose bushes shoot again after being cut back. 玫瑰丛修剪後还能再长出新枝。
- Typically, the back pressure resource monitoring feature reserves 4 GB of free space on the hard disk drive that holds the message queue database. 通常,背压资源监视功能会在保存邮件队列数据库的硬盘驱动器上保留4 GB的可用空间。
- It is diaphragm type back pressure valve.With adjustable setting pressure,it can keep metering pumps dosing accuratly and be an anti-syphon. 背压阀为隔膜式，能调整设定压力。可在定量泵浦输送时，建立稳定输送压力，输送精确定量的药液，并可防止虹吸。
