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。
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.
兼为瑞士SWISSFLUID公司衬氟控制阀和采样系统产品中国华东区域唯一指定代理商。
Ltd. is the sole agent of SWISSFLUID by fluorinated polymer valve and sampling products in East China Region.
采样管的里端头为与逆止阀的内口径呈上斜面的单面楔形；
The inner end of sampling tube is one-sided slant wedge with the caliber of check valve;
采样管的里端头为与逆止阀的内口径呈上斜面的单面楔形；
The inner end of sampling tube is one-sided slant wedge with the caliber of check valve;
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