The sedimentation analysis method was used for measuring the sand content of settleable solid in wastewater.
应用物理化学分析中的降分析法对污水水内可中含砂率进测定。
The sedimentation analysis method was used for measuring the sand content of settleable solid in wastewater.
应用物理化学分析中的降分析法对污水水内可中含砂率进测定。
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