If the traditional suction truck is used for suction, and the ratio of water content is "3:1", then the consumption of professional fecal treatment plant should be??? T × 3 =???? Cubic meter (ton) / day; however, according to the data of most cities, there are almost no professional waste treatment plants. At present, the total amount of fecal sewage and sludge produced in the city is mainly disposed by "landfill", which has caused secondary pollution, and will seriously affect the quality of groundwater.<br>
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