日期:
来源:雅诚德英语网
Oxygen sag — a point of low dissolved oxygen concentration generally located around effluent injection points.
氧松弛——低溶点氧通常集中位于污水注入点附近。
Oxygen sag — a point of low dissolved oxygen concentration generally located around effluent injection points.
氧松弛——低溶点氧通常集中位于污水注入点附近。