Most of the valve is sealed using force, that the valve is closed, forced to rely on external ram pressure to the valve seat to ensure the sealing surface of the seal.
大部分闸阀是采用强制密封的，即阀门关闭时，要依靠外力强行将闸板压向阀座，以保证密封面的密封性。
In this paper, the ram accelerator is taken as engineering background, the high pressure abnormal combustion of a combustible gas mixture is studied.
以冲压加速器为工程背景，着重研究预混燃气高压不稳定燃烧问题。
The intelligent control for ram piston pressure was researched to solve the problems of slow response speed, big overshoot and bad robustness of general PID control.
针对上顶栓压力常规PID控制存在响应慢、超调量大、抗干扰能力不强的问题，进行上顶栓压力的智能控制研究。
By using the special ram-extruder, the temperature and pressure in the extrusion course can be ensured and the pipe of high quality and low cost can be obtained.
使用专用的柱塞挤出机，保障挤出过程中所需的温度和压力，可以得到高性价比的管材产品。
The product is applied to medium, high-pressure gear pump, ram pump, vane pumps, etc.
产品主要应用于中、高压齿轮油泵、柱塞泵、叶片泵等。
In addition, the injector may include an RF circuit in RF communication with the pressure sensor of the drive ram.
另外，该注射器可以包括与驱动活塞的压力传感器进行RF通信的RF电路。
The ram BOP is the most important equipment for secondary well control, quick to shut in the well, and of a high pressure rating.
闸板防喷器关井速度快、耐高压，是二级井控最重要的设备。
The paper introduces a new kind of standard pressure produced cylinder ram system based on the hydrostatic bearing.
提出一种基于静压轴承原理的新型测力缸塞系统。
By using the special ram-extruder, the temperature and pressure in the extrusion course can be ensured and...
使用专用的柱塞挤出机，保障挤出过程中所需的温度和压力，可以得到高性价比的管材产品。
By using the special ram-extruder, the temperature and pressure in the extrusion course can be ensured and...
使用专用的柱塞挤出机，保障挤出过程中所需的温度和压力，可以得到高性价比的管材产品。
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