An increased oil content ensures t hat the electrostatic-induced viscosity perk occurs at a higher moisture level a nd a在水化油脚进入浓缩器前，添加油脂，可以使由静电引起的粘度高峰提前出现，并远离浓缩器出口。
The greater the population there is in a locality, the grater the need there is for water, transportation, and disposal 一个地方人口越多，其对水，交通和垃圾处理的需求就会越大。