When separating components or detecting concentrations, the sampling valve is set to allow the gas (liquid) to be measured to flow through the sample column.
当分离组分或检测浓度时，设置采样阀以允许测量气体(液体)流过样品柱。当采样时，采样阀将待测量的气体(液体)引导到载气上的柱。
A leakage detecting device for liquid valve was developed based on the theory of acoustic emission, and corresponding experimental system was designed to test its performance.
以声发射理论为基础，研制了一种适用于液体阀门泄漏检测的装置，设计了相应的试验台架并对其检测性能进行了试验研究。
This concept of coupled vibration analysis is helpful to detecting vibratorylaws of valve system.
这种耦合振动分析的观点，可以为全面探索配气系统的振动规律提供帮助。
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