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- downhole back flow valve 井下回流阀
- What is the function of the back flow valve? 逆止阀的功能是什么?
- Shanghai Flow Valve Fitting Co., Ltd. 上海富乐阀门管件有限公司。
- Capacitance vessels constrict, increasing the back flow of venous blood. 容量血管收缩;静脉回流量增加.
- The speed field is composed of back flow region and joint jetting region. 速度场主要由回流区和贴附射流区组成;
- You said you could see life, or Arthur Abel, skulls on firearms, ammunition and some in critical condition, life is a back flow. 你说你可以看见人生，亚瑟或是该隐，头盖骨上有的枪支弹药和生命垂危，一回头便是一生周转。
- This pressure inversion can cause back flow of the process materials into the cylinder, or "suck back". 这种压力倒置会引起过程物质回流入钢瓶，或“吸回”。
- Check valve to prevent back flow h 检查阀门，防止背面流溢
- The material was change to liquid material after pass through a chute and then flow into the flow valve, which can prevent the flow control parts from forming columnar material. 物料先通过一段小斜槽，使物料流态化，然后再进入流量阀，这样可避免在流量控制部分形成料柱。
- The advantage to this is that the air in the plenum will not back flow into the supercharger as the pressure in the supercharger is always more then in the plenum. 优势对这空气在方面充气室将不返回流入增压器作为压力在里增压器更那么在充气室里总是。
- In this paper,we present a new type of hybrid arc quenching system,which controls the metal vapor and back flow of the hot air in splitters arc quenching chamber. 本文研究了一种将窄缝与栅片配合应用于限流断路器的新型混合式灭弧系统。
- The paper investigated the flow distribution of solid phase and the respective resistance properties of branch pipes when both conveying velocity and the flow valve opening of branch pipe are changed. 通过试验,当输送气速和分支管路流量控制阀开度变化时,对分支管路各自的阻力特性和固相颗粒在各分支管路中的流量分配特性进行了研究。
- Key technologies of VLRE, such as the technology of the Flowrate Positioned Injector(FPI), the Double Controllable Flow Valve(DCFV) and the Full Digital Controller(FDC) have been solved. 掌握了流量定位针栓式喷注器技术、流量调节阀技术、数字控制器技术等关键技术。
- Rose bushes shoot again after being cut back. 玫瑰丛修剪後还能再长出新枝。
- Company products are: Hydraulic Parts Loader, CBG two series, CBG three series gear pump, ZL series variable speed pumps, variable speed control valve, the flow valve, and so dozens of amplification. 企业主要生产的产品有：装载机液压件、CBG二系列、CBG三系列齿轮泵、ZL系列变速泵、变速操纵阀、流量放大阀等几十种。
- Equally effective in checking back flows from head pressure on the discharge or suction sides of pump. 无论是泵的排泄口的排出压力,还是泵的吸入口,其流体止回的效果都是相同的。
- The B ultrasound examination and intravenous antegrade angiography of deep vein of inferior member before operation showed back flow existed in all 5 limbs in A group ,28 limbs in B and C group , flow back time >0.5s,PVI lies in all the 36 limbs . 术前B超及深静脉造影检查显示A组中的5条、B组和C组28条肢体全部存在股浅静脉返流;返流时间>0.;5s;36条肢体均存在PVI。
- The influences of circumfluence and back flow on the diffusion of contaminants were simulated and calculated in detail,and the visual result and averaged diffusion distance were obtained. 主要针对河道回流、绕流对污染物扩散的影响进行了详细数值模拟计算,并分别给出了可视化结果及平均的扩散距离。
- Use, detected valves pressure reduction and read out the degrees, can be considered by the flow valves. 使用时，测得阀门压降和读出开度，即可算得通过阀门的流量。
- Air is supplied to the headbox local control box, microadjustor gears,edge flow valves and dilution water valves. 空气送到头箱本地控制箱，微调齿轮，侧流阀和稀释水阀。
