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With the trade mark "KINGMAC" as the main part, it has been a large productive and trading enterprise with research and own brand manufactured in serialization Its main productions for auto are special fiber brake-broke, hitch ball, transversal ball, universal joint assembly, clutch assembly, filter, engine bearing linter, thrust film, hydraulic brake master pump and branch pump, etc; for motorcycle are gate lock, gate switch, Instrument, fuel sensor, brake pump, electronic luminescence filter, etc.

公司以"KINGMAC"商标为主体，形成了系列化、规模化、科研化、品牌化的生产型贸易型企业，现主要产品有汽车高级特殊纤维刹车片、悬挂球头、横拉球头、万向节总成、离合器总成、滤清器、发动机轴瓦、止推片、液压制动总泵、分泵等。摩托车系列产品有电门锁、闸把开关、仪表、燃油传感器、制动泵、电子冷光片等。

Aimming at the fuel control requirement of micro-turbojet,the automobile's electric fuel pump with adaptable improvement is chosen as fuel-feed system.The performance of fuel pump and the technical difficulty of flux control as the speed of pump doesn't be measured are analyzed.Using Philips 83C552 MCU as the main control chip,the system adopts voltage negative feedback combined current compensation instead of rotation speed negative feedback and a PWM convertor to design the flux closed loop control system.

针对微型涡喷发动机的燃油控制要求，选用汽车用电动油泵进行适应性改进作为供油执行装置，详细分析了电动油泵的特性及泵转速无法测量情况下流量控制的技术难点，并以83C552单片机为核心，采用电压负反馈加电流补偿代替转速负反馈、电机通过PWM驱动的方法设计电动油泵流量闭环控制系统。

Brief introduction to raw water pump house: the raw water pump house is the intake pump station.

一、 简单介绍水源泵房：水源泵房是取水泵站，我厂采用四台双吸离心水泵取水。

At present, the use of domestic oil well pump rod to account for a large proportion of the number, most of which are plunger-type pump, conventional plunger pump's oil production has become one of the main.

目前国内油田使用有杆泵的井数以占很大比例，其中大部分是柱塞式抽油泵，常规柱塞抽油泵已成为主要的采油方式之一。

The merits of its performance, it is representative of the advantages and disadvantages of pump performance, the anti-clogging sewage pump performance, the level of efficiency and cavitation performance, anti-abrasion performance mainly by the pressurized water pump and leaves room to ensure that the two major components.

其性能的优劣，也就代表泵性能的优劣，污水泵的抗堵塞性能，效率的高低，以及汽蚀性能，抗磨蚀性能主要是由叶泵和压水室两大部件来保证。

Hydraulic dive drilling pump adopts variable hydraulic pump and dynamic cylinder as its power end and its fluid end is identical with the triplex single-acting piston pump.

摘 要 液压驱动的钻井泵采用变量液压泵和动力油缸组成液压钻井泵的动力端；液力端和现在使用的三缸单作用活塞式钻井泵相同。

In technical transformation of SNG-H300 high-pressure water injection pump ,LT3404 horizontal 3-cylinder single-action plunger pump substitutes original 2-cylinder double-action piston pump to improve technical performances and reliability and increase economic efficiency.

对SNC-H300高压注水泵进行技术改造，用"LT3404卧式三缸单作用柱塞泵"代替原有的双击双作用式二缸活塞泵，以提高技术性能和工作可靠性，提高经济效益。

Change of sodium pump activity is involved in hypoxic injury in rat cortical neurons. High affinity sodium pump is re lated to the protection of hypoxic injury and low affinity sodium pump is related to the hypoxic injury.

Na，K-ATP酶活性改变参与了皮质神经元的缺氧性损伤，其中高汞和力Na，K-ATP酶与皮质神经元缺氧性损伤保护作用有关，而低亲和力Na，K-ATP酶则与其缺氧性损伤有关。

The high water means the water pump impeller to the center line of the vertical distance, which permit smoking should not be confused on a high vacuum pump nameplate on product label instructions or permit smoking on the high vacuum pump is the inlet of the vacuum on the value of cross-section, and are at one standard atmospheric pressure, water temperature 20 degrees Celsius, the determination to carry out a test.

这个高度是指水源水面到水泵叶轮中心线的垂直距离，它与允许吸上真空高度不能混为一谈，水泵产品说明书或铭牌上标示的允许吸上真空高度是指水泵进水口断面上的真空值，而且是在1标准大气压下、水温20摄氏度情况下，进行试验而测定得的。

The high water means the water pump impeller to the center line of the vertical distance, which permit smoking should not be confused on a high vacuum pump nameplate or product label instructions on the permit smoking on the high vacuum pump is the inlet of the vacuum on the value of cross-section, and are at one standard atmospheric pressure; the water temperature 20 degrees Celsius, the determination to carry out a test.

这个高度是指水源水面到水泵叶轮中心线的垂直距离，它与允许吸上真空高度不能混为一谈，水泵铭牌或产品说明书上标示的允许吸上真空高度是指水泵进水口断面上的真空值，而且是在1标准大气压下；水温20摄氏度情况下，进行试验而测定得的。

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。