Choose the NDIR air analysis apparatus and Pitot tube using in the CEMS (continuous emission monitoring system) which are more suitable for plants'environment and more precise.

在目前的CEMS中应用适合现场测量、反应快速的非分光红外气体分析仪和毕托管流量计等高精度测量仪器。

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Earlier analysis had led ground controllers in Houston and Moscow to suspect a Russian air-purifying apparatus as being the source of the leak.

MSN: Crew finds ��culprit�� in space station leak