他们可以以双作用或弹簧返回配置。
They are available in either double-acting or spring-return configurations.
球阀分单作用和双作用两种型号。
控制形式：标准常闭、常开、双作用。
Control type: normally closed, normally open, double acting.
非旋转式，双作用，双杆。
双作用式变量叶片泵是一种新型变量泵。
The double-acting variable-vane pump is a new type of variable pump.
气体管道增压泵有单作用泵和双作用泵。
Gas pipelines have a single role of booster pumps and pump dual role.
双作用动力单元中间阀块。
该公司系列角手爪采用了双轴系统活塞双作用。
The AG series angular gripper utilizes a double acting piston with a dual pivot system.
气动活塞式执行机构可分为单作用和双作用两种。
Pneumatic piston actuators can be divided into single and double acting two.
而双作用式泥浆泵每往复一次完成两次吸排水行动。
The double acting reciprocating mud pump one time every two suction drainage action.
目前使用广泛的双作用叶片泵存在着较大的能量浪费；
The double action vane pump using extensively at present has great energy waste;
定子过渡曲线的设计是高性能双作用叶片泵设计的技术关键。
Design contour curves of the stator transition zone is a technical key-problem for the design of double-acting vane pump of high-performance.
四通 手动控制阀可用于所有气动或液动双作用缸体执行器。
Four-Way Diaphragm Pilot Valves are for use on all double-acting pneumatic cylinder actuators.
本文通过对方案的实际应用，设计了双缸双作用液压泥浆泵。
With practical application of the abovementioned principle, designed new type of dual-cylinder dual-action hydraulic mud pump and completed the prototype.
本发明为单缸或者单缸双作用活塞提供了一种组合式活塞。
The invention provides a combined piston for a single cylinder or single cylinder double-action piston.
TBW- 850煤矿用泥浆泵为卧式双缸双作用活塞泵。
TBW-850 mine mud pump is a horizontal double cylinder double acting piston pump.
现代的斯特林发动机可分成两大类：置换式发动机和双作用发动机。
Modern Stirling engine can be divided into two main categories-displacer type machines and double-acting machines.
液压千斤顶的检修注意事项有哪些？液压千斤顶均为双作用活塞式。
Which do hydraulic jack's overhaul matters needing attention have? The hydraulic jack is the double-acting plunger type.
它可以很容易地配置为单作用或双作用两种形式，从而用于旋转执行器。
It can easily be configured as single - or double-acting for rotary actuators.
提出了双作用式平行分度凸轮机构，并按研究齿轮啮合的方法研究其凸轮廓线。
This paper proposes double action parallel indexing CAM mechanism, and studies cams profile by methods used in gear meshing.
一种超低速连续回转液压伺服马达，是对双作用叶片式连续回转液压马达的改进。
The utility model relates to a super-low speed continuous rotary hydraulic servo motor, which is the improvement of a double-acting blade continuous rotary hydraulic motor.
本文介绍了双作用叶片式二次元件的结构和工作原理，分析了其节能原理和特点。
This paper presented the working principle and structure of the double-action vane pump, analyzed its mechanism of variable displacement and characteristics of energy saving.
针对双作用叶片泵出现的噪声问题进行探讨，并提出了降低叶片泵噪声的相关途径。
The noise question of the double-acting vane pump was discussed, and the related ways were proposed to reduce the vane pump noise.
就针对如何降低泵的噪声问题，本人设计出了一种新型的低噪声双作用径向柱塞泵。
Aiming at how to reduce the pump noises, a new type of double acting piston radial pump with lower noises is designed here.
本机为L型、两列、两级、双作用、水冷、有十字头的固定式往复活塞空气压缩机。
This machine is of LV model, double-row, double-step, double function, water-cooling, and intercrossing, fixed, no basic reciprocating piston type air compressor.
本机构由两组曲柄滑块机构串接而成，双作用气缸驱动，实现机械手的主爬升运动。
The mechanism driven by a bidirectional pneumatic cylinder for climb robot is composed of two groups of slider-crank mechanism in series.
介绍了一种新型手动双作用双级柱塞泵的工作原理，给出了其排量与输出压力的计算公式。
The working principle of a new kind of double-acting hand piston pump having two-step output pressure was introduced. The displacement and the output pressure calculating formulae were given.
一进气压力，双缸端口提供双作用气缸压力或驱动器，和一个或多个渠道从排气汽缸压力。
One pressure inlet, two cylinder ports providing pressure to double acting cylinder or actuator, and one or two outlets to exhaust pressure from the cylinders.
我公司主要产品为液压双作用系列千斤顶，推力为50- 800吨，共42 种标准规格。
Chief production is hydraulic pressure double function series jack, in chide 42 standards thnist thrust is 50-800 ton .
我公司主要产品为液压双作用系列千斤顶，推力为50- 800吨，共42 种标准规格。
Chief production is hydraulic pressure double function series jack, in chide 42 standards thnist thrust is 50-800 ton .
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