过程气相色谱仪由取样机构，柱和检测器组成。
The process gas chromatograph consists of a sampling mechanism, a column and a detector.
文中还介绍了改进的取样机构，分析了微粒测量误差。
Finally, the improved sampling actuator was described and the error of particulate measurement was discussed.
利用风口焦炭取样机取得了整个高炉炉缸半径上的焦炭样品。
The coke of whole hearth radius BF is got by sampling machine of tuyere coke.
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