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The gearbox has three wet multi-disc friction clutches, and during gear shifting, the clutch discs are pressed by the oil pressure-driven piston acting along the shaft.

变速箱有三个多片湿式摩擦离合器，换档时相应的离合器摩擦片被轴向作用的油压所推动的活塞压紧。

Main Usage and Features:MG7340(MM7340) The MG7340(MM7340) is a high－precision surface－grinding mac- hine to process disc cutters, friction plates, saw blades, valves, piston rings,and other ring shape work pieces.This machine is able to be used in tool plants, bearing plants, valve plants, and other highly precisely grinding processing industries.

主要用途和特点：MG7340（MM7340） MG7340（MM7340）型高精度卧轴圆台平面磨床主要适用于磨削加工盘形刀具、摩擦片、锯片、阀门、活塞环等环形工件，可广泛应用于工具厂、轴承厂和阀门及一般机械制造厂进行精密零件的磨削加工。

Engine can enhance the stability of high-speed operation using light piston connecting rod, fuel consumption also falls than the former.

轻质活塞连杆的使用可提升发动机高速运转的稳定性，油耗比起前任也有所下降。

Producing and selling what we already have( bearing, pointer, thrust washer, water pump, piston, sleeve, crankshaft, fan blade, ball joint, tie rod, fuel pump and so on), LUKIA also manufactures products according to the samples or OE No.

生产和销售什么，我们已经有（轴承，指针，推力垫圈，水泵，活塞，套，曲轴，风扇叶片，球窝接头，拉杆，燃油泵等）， lukia还制造的产品，根据样本或光电号您所提供的。

Our company specializes in manufacturing precision slender axis oil tanks and so on, using precision cold drawing, grinding and polishing high-precision manufacturing of advanced technology, the technical indicators are in line with and exceeded the national standard, can be used directly in the fuel tank, cylinder piston rod, and is widely used in hydraulic pneumatic, textile printing and dyeing, printing guide, die-casting machines, injection molding machine guide; fax machines, copiers, high-speed mimeographs, printers and other modern office machines and other precision guided fine-axis major axis for the parts industry and products.

我公司专业生产精密细长轴油缸等，采用精密冷拔、精磨和高精度抛光的先进工艺制造，各项技术指标均符合并超过国家标准，可直接用于油缸、气缸活塞杆，并广泛应用于液压气动、纺织印染、印刷机导轨、压铸机、注塑机导杆；传真机、复印机、高速油印机、打印机等现代办公机械导轴等一些精密细长轴为部件的行业和产品。

To ensure the gasholder running safety, it is very important to evaluate and monitor the piston inclination when it is working.

为保证煤气柜的安全运行，对其活塞工作时的倾斜度进行评价和监测至关重要。

The gasholder was pressurized by the connection of a side plate with a piston through a kind of flexible rubber sealing material.

该气柜主要借助于一种柔性的橡胶密封材料将气柜侧板和活塞密封连接。

Adding 3% oil to the standard gasolene gives all the necessary lubrication to the piston riding inside a 5 inch steel sleeve.

添加3％的石油标准gasolene给予一切必要的润滑活塞内的5英寸的钢制套管骑。

Based on the improved local piston theory , this paper presents the matrix expression of generalized aerodynamic forces expressed by the generalized coordinates.

基于改进的当地流活塞理论，推导了用模态坐标表示的弹性振动翼面的非定常广义气动力表达式。

There was an increasing demand for engine power due to industrial development. As early as the 2nd century BC, the ancient Greeks invented an engine that was powered by the reaction from spurting steam; in 1690, the Frenchman Barben invented the first piston steam engine. On the basis of his predecessors' work and with his own hard work and numerous trials and failures, James Watt invented the steam engine with connecting rod, flywheel and centrifugal speed governor in 1782.In 1784, the British government granted a patent to James Watt for producing steam engines, which signified that man had entered the age of the steam engine and also significantly expedited the beginning of the Industrial Revolution in 18th century Europe. By the 1830s, steam engines had been widely used in various sectors such as textile, metallurgy, coal mining and transportation; for example, the American Robert Fulton invented the steamboat and the Englishman George Stephenson invented the steam locomotive.

随着社会的进步，社会由农业时代进入工业时代后，对全用手工操作已十分不满足，人们随着工业发展对动力的需求日益突出，瓦特在前人研究蒸汽的基础上，甚至早在公元前二世纪，古希腊人创造的一种利用蒸汽喷射的反作用的发动机，以及1690年法国人巴比首先发明第一台活塞式蒸气机等，刻苦钻研，反复实验，经历无数次挫折和失败，终于在1782年发明了具有连杆、飞轮和离心调速器的双动作蒸气机，使之成为了可以实用的蒸气机。1784年英国政府授予瓦特以制造蒸气机的专利证书，这标志着人类进入了蒸气机时代，有力地促进了欧洲18世纪的产业革命。

As a dominant party,CPC government should play a guardian,supervisee and guarantee role to overcome all the difficulties in the development of charitable cause and bring it into full play in the establishment of harmonious society on policies and regulations basis.

在中国共产党的文献中第一次把发展慈善事业提到&最广泛最充分地调动一切积极因素，不断提高构建社会主义和谐社会的能力&的高度来认识。近年来，社会学界对慈善事业的理论专著发表较多，有鉴于此，笔者不揣浅陋，谈谈自己的认识和见解。

Flow through the land, the land of the scale of operation allows the effectiveness of the land may be raised.

通过土地的流转，土地的规模经营可以让土地的效益得到提升。