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The new unit adopts hollow sucker rod working with pump and as fluid passage instead of conventional sucker rod, and uses a new hanger to fix the one-piece barrel rod pump on the casing wall, improving the operation stability of the subsurface pump.

针对这种情况，大港油田新世纪机械制造有限公司研制成功一种新型无油管采油装置，这种装置以空心抽油杆代替实心抽油杆带泵工作并兼作出油流道，还通过一种新型悬挂器将整筒抽油泵固定在套管壁上，提高了抽油泵的工作稳定性。

Jiangsu Bao Ying decay BAOYING pump covers an area of 45,000 square meters, 26,000 square meters building, with assets of 20,050,000 yuan, the existing types of professional and technical personnel more than 120 people, has the domestic advanced vehicles, milling, planing, grinding, and Play various types of processing equipment more than 200 sets of a set of physical and chemical testing equipment, vibration equipment, a set number of hours, and has formed the test flow of 10000m3 / h, a diameter of 20 inches, power of 800KW capacity within the pump test to meet the test of various Pump performance requirements.

江苏宝应县盈宝耐腐泵厂占地45000平方米，建筑26000平方米，拥有资产2005万元，现有各类专业技术人员120多人，拥有国内先进的车、铣、刨、磨、插各类加工设备200多台套，理化试验设备一套，振动时数设备一套，已形成测试流量为10000m3/h、口径为20英寸、功率为800KW以内的水泵测试能力，可满足测试各类水泵性能指标的要求。

Firstly, we simulate the influence of pump waves on two-stream instability occurred at heights of equatorial ionospheric E region. The simulation results show that pump waves can control the two-stream instability, that's to say, pump radio can stabilized or unstabilized this instability.

首先，模拟了加热泵波对赤道电离层E区双流不稳定性的影响，模拟结果定性地表明，在一定条件下，加热泵波对发生在该区域的双流不稳定性有很好的致稳或不稳作用。

Vertical transport corrosive liquid pump advantages: 1, generally in the transmission fluid pump, when the level below, we need to pump irrigation water.

立式自吸泵输送腐蚀性液体的优势： 1、一般离心泵在输送液体时，当液位低于时，便需要灌泵才能出水。

Submersible pump works Open-pump before the suction pipe and pump to be filled with fluid.

一、潜水泵的工作原理开泵前，吸入管和泵内必须充满液体。

No water pump: Reason: did not fill pump and suction hose water; water level below the pump filter pipe; suction tube rupture.

水泵不出水：产生原因：泵体和吸水管没灌满引水；动水位低于水泵滤水管；吸水管破裂等。

The actual production needs from oil field,aimed at tractor hoist that need replace pipe string and outside slippery jet pump that isn′t satisfied with discharge fracturing quickly in reality,a new type of jet pump inside sleeve type of jet pump is designed.

针对外滑套式射流泵在油田应用中不能满足压裂后快速排液的现况，研制出了一种新型的内滑套式射流泵，并提出了射流泵、喉嘴距、喉管长度、扩散管角度及长度的计算公式。

Fourth, to avoid breaking material: Screw must not be allowed in the case of blanking operation, upon occurrence of the stator as dry friction of rubber, produces instant heat and burn, so good grinder, screw grille flow is a necessary condition for normal operation To this end, some screw pump body is also expected to stop off device installed, when there Fracture, because he has a self-priming screw pump function of the characteristics Chemical pumps of the body will produce a vacuum chamber, vacuum screw pump will stop operation.

四、避免断料：螺杆泵决不允许在断料的情形下运转，一经消防泵发生，橡胶定子由于干摩擦，瞬间产生高温而烧坏，所以，粉碎机完好，格栅畅通是螺杆泵正常运转的必要条件之一，为此，有些螺杆泵还在泵身上安装了断料停机装置，当发生断料时，由于螺杆泵其有自吸功能的特性，腔体内会产生真空，真空装置会使螺杆泵停止运转。

Companies in Taiwan with an annual output of 150,000 power steering pump on the basis, will continue to increase investment, improve the management of enterprises in the "11th Five-Year" Plan period to achieve an annual output of 500,000 Taichung, heavy, light, power steering pump series sedan production Capacity, ranks among the domestic production of oil pump to the forefront of professional manufacturers, for the development of China's auto industry added a luster.

公司在年产15万台转向助力泵的基础上，将继续加大投入，提升企业管理，在&十一五&计划期间实现年产50万台中、重、轻、轿系列转向助力泵的生产能力，跻身国内转向油泵的生产专业厂家前列，为中国汽车工业发展增添一份光彩。

At pump pumping process, the steam pipe for the pump set for Steam pump so as to provide a buffer zone.

在泵泵水过程中，集汽管为泵供汽从而为泵提供了缓冲区。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。