... 相关分析检漏法 detection by leak noise correlator 区域检漏法 waste metering 区域装表法 district metering ...
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waste water metering 污水计量
Several factors effecting on BOD in the industrial waste water were studied by using the differential-pressure metering device of BOD, and the corresponding improving methods were put forward.
探讨了利用差压式BOD测定装置测定工业废水中BOD时影响其准确度的几个因素，并提出了相应的改进方法。
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