-~~~~'y型过滤器的作用保温阀 shuttle valve 中压 阀门 middle pressure valve 先导式安全阀 pilot operated safety valve ..
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On the basis of the principle of a middle pressure common rail electronically controlled variable valve system, a model has been built for modeling the system and its accuracy achieves 93%.
根据研制的中压共轨电控可变气门系统机构的工作机理，建立了中压共轨电控可变气门系统的仿真模型，试验证明其精度达到了93 % 。
The main characteristics of the structure are that the guide valve does not exist, a fluid pressure auto resuming middle jar is equipped.
其主要结构特征是无引导阀，内装有液压自动复中缸。
The fluid valve of self-balanced pressure can meet the requirement of on-off of the pipeline working under the condition of high, middle and low pressure.
这种闸阀能够满足在高、中、低压条件下工作的管路通断的要求。
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