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- What is the function of the back flow valve? 逆止阀的功能是什么?
- 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”。
- Specialist UK-based cable manufacturer. Web site features comprehensive information on the company's renowned FLEX and FLOW product cable lines, plus a securely encrypted on-line ordering system. 专家位于英国的缆线制造业者.;网站为关于公司的有名电线的广泛资讯作广告，而且流量产品打海底电报线;加上一安全地编加密码的线上命令系统。
- 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 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。
- Rose bushes shoot again after being cut back. 玫瑰丛修剪後还能再长出新枝。
- 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。
- Product buy- back is a prevailing payment term at present. 产品回购是目前流行的一种付款方式。
- Analysis on Back flow Factors in Bucket Elevator 斗式提升机的回流因素分析
- He trudge three hour in the snow to get back home. 他在雪中跋涉三个钟点才回到家。
- The crowd fell back to let the players through. 人群后退让运动员们通过。
- Do exercise every day and you'll be back in condition. 每天锻炼锻炼，你很快会恢复健康的。
- The ship beat back against a monsoon. 船逆着季风艰难地行驶。
- Equipment selecting for flow production 流线化生产的设备选择
- I flap the flies away but soon they fly back. 我把苍蝇赶走，但一会儿又飞回来了。
