单选题
1分
Here some oil in the oily water separator, as a result of its lower _____, will be separated and ris...
Here some oil in the oily water separator, as a result of its lower _____, will be separated and rise into the oil collection space.
参考答案: C
参考解析: 在油水分离器中,一些油由于密度小,会分离出来并上升到集油室。