According to the principle of the mass balance and constant volume sampling, a full-flow dilution tunnel particle sampling system was designed and adjusted.
本课题按照定容取样方法和质量平衡原理，自行设计、制造、调试了中国首套全流稀释风道颗粒物测试系统。
Aiming at particulate matters sampling and analysis, a full flow dilute tunnel sampling system for vehicle emission was developed.
笔者以机动车排放颗粒物采集和分析为主要目的，开发了机动车排放颗粒物全流稀释风道测量系统。
Aiming at particulate matters sampling and analysis, a full flow dilute tunnel sampling system for vehicle emission was developed.
笔者以机动车排放颗粒物采集和分析为主要目的，开发了机动车排放颗粒物全流稀释风道测量系统。
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