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1. This infrared gaseous pollution meter is used to measure the concentration of pollutants in the air.
这个红外气体污染测量仪用于测量空气中污染物的浓度。
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2. The manufacturer claims that their infrared gaseous pollution meter is highly accurate and reliable.
制造商声称他们的红外气体污染测量仪非常准确可靠。
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3. The infrared gaseous pollution meter was used to monitor the levels of harmful gases in the area.
红外气体污染测量仪被用来监测该地区有害气体的水平。