您要查找的是不是：
- What is maximum acceptable back pressure? 如果是,給出可接受的最大背壓?
- The research result shows that this principle and method provide a new thought to the design of back pressure pneumatic gauge. 研究結果表明，該原理和方法為背壓式氣動(dòng)量?jì)x的設計提供了一種新的思路。
- Seating load and tightness is dependent on back pressure. 閥座密封負載和緊密性與反壓力相關(guān)。
- This back pressure is no problem for the rupture disk. 如果壓力放散系統的壓力進(jìn)入到爆破片中，對爆破片不會(huì )產(chǎn)生影響。
- 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. 摘要在試驗研究的基礎上，論述了多級節流增壓模擬水泵實(shí)際運行背壓的低噪聲特性。
- 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. 以某熱電廠(chǎng)背壓式汽輪機數字電液調節系統(DEH)為例,介紹了該機組DEH系統的構成、特點(diǎn)以及機組DEH改造后采用常規法甩負荷試驗的情況。
- Compared with others artificial lift method, the system can validly remove wax, formation salt and scale in oil tubing with lower equipme... 與其它人工舉升方法比較 ,該系統不僅具有投資少、操作費用合理的特點(diǎn) ,還可有效地消除油管內蠟、地層鹽或垢物的集結。
- Several different types of valves are in use. Some are back pressure valves. 有幾種不同的閥在使用中,有些是反向壓力閥。
- 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. 這是一個(gè)很簡(jiǎn)單的程序,而不是費時(shí)費力,面對電梯這個(gè)方法只需一小時(shí)以上或用一些局部麻醉完成。
- With respect to problem of ripping, the arm lifting horizontality is standard. 關(guān)于手部動(dòng)作，橫上是固定的動(dòng)作。
- Diplegs play an important role as pressure seals against the considerable back pressure generated. 料腿則起著(zhù)對產(chǎn)生的相當大的背壓加壓密封作用。
- 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發(fā)癥為反壓所致的腎實(shí)質(zhì)萎縮。
- He stood there with his arms lifted above his head. 他站在那里，胳臂舉過(guò)了頭頂。
- Back Pressure Propagation of network congestion information upstream through an internetwork. 網(wǎng)際中上傳的網(wǎng)絡(luò )擁塞信息。
- This filter is designed to have very little back pressure and is easy to squeeze with a faster flow rate. 這是為了過(guò)濾很少背壓,易于擠壓得更快流量。
- Of, relating to, or being a stroke in swimming that is begun with the arm lifted and stretched forward over the shoulder. （游泳時(shí)）單臂出水的屬于、關(guān)于或作為游泳時(shí)的一次劃水動(dòng)作的，常先高舉一只手臂，然后向前展過(guò)肩
- The big and small rubber plugs has locking mechanism to prevent back pressure and has good drillability. 大小膠塞設有鎖緊機構，注完水泥后可防止回壓，且附件具有良好的可鉆性；
- The reason a steady state was never reached was that the back pressure built up too slowly. 不能達到穩定狀態(tài)的理由是背部壓力上升太慢。
- The spray penetration decreases and overall SMD increases with the increasing back pressure. 隨著(zhù)背壓的升高，油束貫穿度減小而整體索特平均直徑增加。
- 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. 油田進(jìn)入高含水期所采用的電潛泵作為增大排液量的方法，在生產(chǎn)過(guò)程中容易出現許多不易判斷的井下故障。
