液体气体

Needle valve-shaped than other types of valves that can withstand greater pressure, sealing performance, it is generally used for small flow high pressure gas or liquid media sealing.

针型阀形比其他类型的阀门能够耐受更大的压力，密封性能好，所以一般用于较小流量，较高压力的气体或者液体介质的密封。

The conveyed medium can't be leaked outside. Thus it will not cause the environmental pollution and human body safety dangerous while exhausting the toxin and flammable or corrosive medium. 5、No electricity. It's safe and reliable while using in the flammable and explore places. 6、It can be soaked in medium. 7、It's convenient to use and reliable to work. Only open or close the gas valve body while starting or stopping. Even if no medium operation or pausing suddenly for long time because of accident matters, the pump will not be damaged caused by this. Once over-loading, the pump will automatically stop and possesses the self-protection function. When the load recovers normally, it also can start automation. 8、Simple structure and less wearing parts. This pump is simple in structure, installation and maintenance. The medium conveyed by the pump will not touch the matched pneumatic valve and coupling lever etc. not like other kinds pumps, the performance will drop down gradually because of the damages of rotor, gear and vane etc. 9、It can transmit the adhesive liquid (the viscosity is below 10000centipoise) 10、 This pump needn't the oil lubricant. Even if idling, it has any influence to the pump. This is a characteristic of this pump.

所以抽送有毒、易挥发或腐蚀性介质时，不会造成环境污染和危害人身安全； 5、不必用电，在易燃、易爆场所使用安全可靠 6、可以浸没在介质中工作 7、使用方便、工作可靠、开停只需简单地打开和关闭气体阀门，即使由于意外情况而长时间无介质运行或突然停机，泵也不会因此而损坏，一旦超负荷，泵会自动地停机，具有自我保护性能，当负荷恢复正常后，又能自动启动运行； 8、结构简单、易损件少，该泵结构简单，安装、维修方便，泵输送的介质不会接触到配气阀，联杆等运动部件，不像其他类型的泵因转子、活塞、齿轮、叶片等部件的磨损而使性能逐步下降； 9、可输送较粘的液体（粘度在1万博以下）； 10、本泵无须用油润滑，即使空转，对泵也无任何影响，这是该泵一大特点

Liquid-fuelled rocket engines can be classified as either open- or closed-cycle, according to how they derive the gases that power the turbine-driven pumps used to force the fuel and oxidant into the combustion chamber.

液体燃料火箭引擎分为开或闭循环，是跟据它们如何获得涡喷驱动泵的气体迫使燃料和氧气进入燃烧室。

Liquid nitriding utilizes molten cyanide salts and, as in gas nitriding, the temperature is held below the transformation range.

液体渗氮利用熔化的氰化物盐，就像气体渗氮，温度保持在低于转化范围内。

It is one Kind of thermometers to measure middle and low temperature on the spot .lt could be used to directly measure temperature of liquid, vapor and gas ranging from -80t ℃ ot 500℃.

应用双金属温度计是一种测量中低温度的现场检测仪表。可以直接测量各种生产过程中的-80℃~+500℃范围内液体、蒸汽和气体介质温度。

Applicable to control gas, steam, liquid and other media.

适用于控制气体、蒸汽、液体等介质。

It's applicable to control gas, steam and liquid ,etc.

适用于控制气体，蒸气和液体等介质。

In the case of steam and gas with flow rates of 2 to 80 meters/second, the accuracy is 1.0 percent, and in the case of liquids flowing at rates between 0.4 and 10 meters/second, it is 0.75 percent.

如蒸汽和气体流量的2至80米/秒，精度为1.0﹪，以及在案件有液体流动的速度0.4和10米/秒，这是0.75﹪。

There are more than 3000 different kinds of valves available. The products series cover hydraulic turbine input liquid control butterfly valve, soft sealing gate valve, clamp butterfly valve; flange valve, expansion butterfly valve, bi-direction metal seal ing butterfly valve, tri-eccentric metal sealing butterfly valve, eccentric semi - sphere ball valve, eccentric dual -semi - sphere ball valve, and sluice gate, hydraulic slow-closing c heck v alve , v ent valve, adjusting valve, body eccentric valve, dual eccentric butterfly valve, varied eccentric butterfly valve, Check valve with little-resistance, slow-closing, noise-eliminating , butterfly valve with mid temperature and pressure, Other types of check valves and check valve gate 、 expansion joint, and being widely used in petroleum industry, chemistry, food, medicals, light industry, paper, water and electricity, ship and boat, steel and casting, Energy and Environment industry. The main valves are ever used in heat-supplying projects of National council office.

我公司主要产品有双向三偏心金属密封伸缩蝶阀、水轮机进水液控蝶阀、软密封闸阀、三维偏心全金属密封蝶阀、自动补偿双向硬密封蝶阀、耐高温金属密封蝶阀、液控缓闭止回蝶阀、对夹式蝶阀、偏心式蝶阀、伸缩蝶阀、偏心半球阀、偏心球阀、通风阀、调节阀、双偏心蝶阀、无销蝶阀、微阻缓闭消声止回阀、旋启式止回阀、防泥沙型蝶阀、自动补水阀、阀板可移动蝶阀、偏心缓闭止回阀、多功能水力控制阀、闸门、伸缩接头和管道伸缩器等三十大系列3000多个规格，广泛用于电力、石油、化工、食品、医药、轻纺、造纸、供排水、船舶、冶炼、能源、环保等行业的腐蚀性、非腐蚀性气体、液体、半流体及固体粉末容器和管网中。

At present, the effective area of the piston gauge is mostly measured with the initial balance method. This method uses the definite small mass to eliminate the pressure caused by the difference of the liquid of the two reference plans of the piston gauge.

目前多采用起始平衡法测量气体活塞有效面积，起始平衡法是用一定的小砝码来消除两活塞参考面液体的高度差所产生的压力。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。