SANOA long-path differential optical absorption spectroscopy system is used to monitoring SO2, NO2 concentration in air automatic monitoring sub-station.
SANOA长光程差分吸收光谱监测系统，适用于空气自动监测子站SO 2、NO2的测量。
A sampling project for the water quality automatic monitoring system was introduced in this paper, self-absorption-ejector pump was used in the system instead of centrifugal pump.
介绍一个以自吸喷射泵为取样泵的水质自动监测系统取样工程建设方案及其日常维护措施。
The automatic cleaning and dust-absorption pneumatic system prevent dust pollutions.
设备设有自动清尘和吸尘气动系统，无粉尘污染。
The automatic cleaning and dust-absorption pneumatic system prevent dust pollutions.
设备设有自动清尘和吸尘气动系统，无粉尘污染。
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