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pressure valve相关的网络例句

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This thesis proposes a kind of soft firing technology , which combines interior ballistics with atmospheric pressure transmission theory , utilizing the energy of advancing primer ignition of piston promoting pill to counteract the counterforce of firing pill , utilizing unilateral valve on the piston to adjust automatically the gas pressures of two connected chamber in series in front and at the back of the piston, thus achieving the goal of reducing composition of forces of gun bore and increasing initial velocity of pill.

本论文提出一种软发射技术,是将气压传动理论和经典内弹道学相结合,利用活塞推动弹丸前冲击发的能量来抵消发射弹丸所产生的反作用力,利用活塞上的单向阀自动调节活塞前后两个串联药室的气体压力,从而达到减小炮膛合力和提高弹丸初速的目的。

The research contents of this subject are mainly: Proposing the overall scheme of the soft firing technology, than confirm the best scheme; On the basis of best scheme , set up the mathematical model of soft firing system, and set up the interior ballistic trajectory calculating model among MATLAB/Simulink, set up soft the three-dimensional dynamics model of firing system among ADAMS; Go on joint simulation, simulating the characteristic curve of bore pressure and the sport law of piston and shot; Through adjusting the parameters such as piston quality、the diameter of unilateral valve、 charge weight、charge form coefficient and the delay time of lighting fire etc to make the soft firing system reach the best state of dropping the composition of forces of gun bore and increasing initial velocity of pill.

论文的研究内容主要是:提出软发射技术总体方案,确定最佳方案;在最佳方案的基础上,建立起软发射系统的数学模型,并在MATLAB/Simulink中建立内弹道计算仿真模型,在ADAMS中建立软发射系统的三维动力学模型;进行联合仿真,模拟膛压特征曲线及活塞和弹丸运动规律;通过对活塞质量、单向阀直径、装药量、药形系数、点火延迟时间等参数进行调整,使软发射系统达到炮膛合力下降、弹丸初速提高的最佳状态。

The company since its inception has been engaged in the development of hydraulic parts and sales; main products have various types of hydraulic tubes and assembly of hard and soft, hydraulic components, Japan Construction Machinery Co., Ltd. chassis parts, instrumentation, etc.; distribution of the major brands have Germany Hose Sunway, Italy Manuli, Germany Aeroquip, the United States Sel, the United States MEGASPIRAL, Libao, etc.; Express connector (Italy: DNP brand), the management folder, resin tube (UK: EUROFLOW brand), high pressure ball valve, Teflon tube, withhold machine (Finland: FINN-POWER), a variety of industrial tubes, such as high-temperature steam pipes, cement pipes and so on.

公司自成立以来一直从事液压零件的研制和销售;主要产品有各种型号的液压软硬管及总成、液压零部件、日本株式会社工程机械底盘件、仪器仪表等;经销的胶管品牌主要有德国Sunway 、意大利Manuli 、德国Aeroquip、美国Sel 、美国MEGASPIRAL、Libao等;快速接头,管夹,树脂管(英国:EUROFLOW品牌),高压球阀,铁弗龙管,扣压机(芬兰:FINN-POWER),各种工业管,如高温蒸汽管,水泥浆管等。

Different-diameter pipes can reduce waterhammer pressure also; the key is the matching between pipe and valve which is important.

采用异径管也能够减小水击,关键在于管道与阀门必须匹配。

The company Dongfeng Cummins B, C, L series engine cylinder block, cylinder head, crankshaft, piston, valve, cylinder, pump, air compressor, oil pump, flywheel, pressure plates, clutch nearly a thousand varieties of film, etc..

公司现有东风康明斯B、C、L系列发动机缸体、缸盖、曲轴、活塞、气门、缸套、水泵、空压机、机油泵、增压器、高压油泵、飞轮壳、压盘、离合器片等近千个品种。

Valve for pressure, temperature and range of large caliber, especially for medium and large-caliber pipeline.

闸阀适用于压力、温度及口径范围很大,尤其适用于中、大口径的管道。

Because of the high pressure transmission pipelines, large-caliber, fast switching time, the need for a large pipeline valve torque-driven devices.

由于管线输送压力高、口径大、开关时间快,管线阀门需要采用大扭矩驱动装置。

Dynamic balancing valve with pressure in certain limited range of maximum flow air terminal equipment, automatic constant flow characteristics, in the large-type, complex, air conditioning heating load is not constant in the project, simplifying the system debugging, and shorten the debugging time.

动态平衡阀具有在一定的压力范围内限制空调末端设备的最大流量、自动恒定流量的特点,在大工型、复杂、空调采暖负荷不恒定的工程中,简化了系统调试过成,并缩短了调试时间。

Dynamic Balance valve is the pressure in the context of certain restrictions on the maximum flow of air terminal equipment, automatic constant flow characteristics, in the large-type, complex, air conditioning heating load is not constant in the project, simplify system debugging, and shortened debugging time.

动态平衡阀门具有在一定的压力范围内限制疏水阀空调末端设备的最大流量、自动恒定流量的特点,在大工型、复杂、空调采暖负荷不恒定的工程中,简化了系统调试过成,并缩短了调试时间。

Balancing valve have some great pressure within the air-conditioning equipment to limit the maximum flow, automatic constant flow characteristics, in the large-type, complex, air conditioning load is not constant heating works, a simplification of the system into debugging, and shorten the debugging time.

平衡阀具有在一定的压力范围内限制空调末端设备的额定流量、自动恒定流量的优点,在大工型、复杂、空调采暖负荷不恒定的工程中,简化了系统调试过成,并缩短了调试时间。

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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.

然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

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