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Of the actual pump output too small, a large number of medium circulation pump, heat accumulation, caused by gasification medium, resulting in seal failure

对泵实际输出量偏小，大量介质泵内循环，热量积聚，引起介质气化，导致密封失效

The actual output of the pump too small, a large number of medium circulation pump, heat build-up caused gasification medium, resulting in seal failure

对水泵实际输出量偏小，大量介质泵内循环，热量积聚，引起介质气化，导致密封失效

They are apply to the flat grinding and polishing of different materials and machinery such as sealing ring of mechancial seal,ceramic microsection, steam-cylinder piston ring, oil pump vane carborundum, silicon nitride,quartz crystal, kentanium ring,graphite, gem, tonsorial knife, shaver knife, auto oil pump sealing element, air flap, metal material, project plastic, etc..

公司主要生产双面研磨与抛光机。本公司引进先进的生产设备和质量检测设备，从原料的购入、生产、检测、销售全过程管理均采用严格的质量标准。公司从创建伊始即以稳定可靠的产品质量，高效科学的管理，诚信优质的服务深受业内关注。

The basic equations of centrifugal pump on steady and unsteady process were educed based on theory of momentum and moment in order to analyze the transient hydrodynamic performance of centrifugal pump.

为了对离心泵快速开启过程的瞬态效应进行分析，根据动量矩定理分别推导转速稳定和不稳定时的离心式水泵基本方程式，给出了叶轮旋转加速和流体加速对性能影响的数学描述方程，为进一步理论分析和数值计算打下基础，并结合一台快速启动的混流泵进行实例分析。

The basic equations of centrifugal pump on steady and unsteady process were educed based on theory of momentum and moment in order to analyze the transient hydrodynamic performance of centrifugal pump. The equations were used to describe the influence of accelerating rotation of impeller and accelerating motion of fluid on hydrodynamic performance.

为了对离心泵快速开启过程的瞬态效应进行分析，根据动量矩定理分别推导转速稳定和不稳定时的离心式水泵基本方程式，给出了叶轮旋转加速和流体加速对性能影响的数学描述方程，为进一步理论分析和数值计算打下基础，并结合一台快速启动的混流泵进行实例分析。

The center motor drives the fuel pump and the small one at the right the oil pump.

该中心电机驱动器的燃料泵和在适当的油泵小之一。

Pump and motor are connected by a shaft. It features high speed, small profile, compact structure and easy movability. We use metal vane. The product is suitable for prepump of diffusion pump, matching with precision instrument and laboratories, medicine, food package and electronics etc.

泵与电机连轴，高转速，外型小，结构紧凑，流动性工作方便，我厂特采用金属刮片，适用于扩散泵的前级泵，精密仪器的配套与实验室、医药、食品包装、电子等单位使用。

Enterprises leading products for SL3NB, QZ3NB, QF pump, QZ-9 series of drilling pump, the campaign mainly used for different depth of the oil field drilling, workover, cementing, water injection and other mining operations, industrial and mining enterprises can also be used for other transportation Mud, clay plastic, mortar, and other media.

企业主导产品为SL3NB、QZ3NB、QF泵、QZ-9等系列钻井泵，该系列主要用于油田不同井深的钻井、修井、固井、注水等工矿作业，也可用于其它工矿企业输送泥浆、粘土胶、灰浆等介质。

In order to clarify the type, the causes and the mechanism of the sealing failure, and the further improve the working life of the seal rings of drilling mud pump plunger, this paper analyzed the seal failure of myriameter drilling mud pump plunger.

为了弄清高压钻井泥浆泵柱塞密封圈的失效形式、原因及机理，进一步提高钻井泥浆泵柱塞密封圈的寿命，对万米钻井泥浆泵柱塞密封失效分析。

The rating of the drive and the pump's nett positive suction head requirements shall be such that the pump is capable of a flow rate 10% in excess of the maximum flow rate required.

评级的驱动器和水泵的网络技术的积极吸头的要求，应，例如，该泵是有能力，流速为10 ％，超过的最高流速需要。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。