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This control method can provide back-pressure cylinder to limit the speed, so the speed stability is good, commonly used in the double-acting cylinder speed control.

这种控制方式能为气缸提供背压来限制速度，故速度稳定性好，常用于双作用气缸的速度控制。

The model is evaluated by comparing simulation results to Stirling engine test data,which were obtained from a four-cylinder double-acting Stirling engine.

结合某型4缸双作用斯特林发动机，开展了发动机的仿真研究和试验研究，研究结果表明，仿真计算的结果与实测值是基本吻合的，从而验证了本文所建立的非线性模型的有效性。

Position Indicating Switches are available for use on double-acting cylinder actuators.

定位指示开关适用于双作用缸体执行器。

This article studied main performances of 50 tractor linkage operation double-acting clutch, introduced emphatically checking method and the step about main performance of the clutch, and the key problems in design and use of this clutch were pointed out.

对50拖拉机联动操纵双作用离合器的主要性能指标进行了研究，着重介绍了该离合器主要性能的验算方法及步骤，并指出离合器设计与使用中的关键问题。

They do not require an external hydraulic pump or tubing, but operate by moving hydraulic fluid from one side of a double-acting cylinder to another.

它们不需要外部液压泵或管，但经营，从一个一个双作用液压缸端到另一个。

In order to regulate the body's immunity to resist the double-acting of virus infection, we combine thymic peptide with 3TC.

两者联合应用，旨在通过调节机体免疫力及抗病毒的双重作用，达到最大限度地清除病毒，预防和减少耐药毒株的产生。

Pneumatic actuators in double-acting and spring-return configurations.

气动执行器在双作用和弹簧返回配置。

Most are variants of four basic configurations, the alpha, beta, gamma and double-acting designs shown diagrammatically below.

大多数图解显示以下四个基本配置，α，β，γ和双动设计的变种。

In both cases a large open space is left at the center for locating the double-acting hydraulic ram which is used to push and pull, respectively, the chain conveyor and the chock in a whole unit.

在这两种情况下一个大的开放空间，是留在中心定位双动液压内存是用来推拉，分别为，链式输送机和钢梁整体股。

150MN imported items are double-acting hydraulic extrusion press, is the world's largest tonnage of the same extrusion equipment, and is the world's first.

项目引进的150MN双动正向油压挤压机，是目前世界上同类挤压设备吨位最大的，属世界首台。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。