Or the pumps can discharge to a force main conveying wastewater under pressure to the treatment plant. 或崩可以将压力污水干管中的废水在压力下输送到污水处理厂。
With two segments and midsection inflexion of main pipes, the irregular well positions were well represented and the length of the total main pipes was shorten by a long way. 该种管网布置方式是将每个方向伸出的干管分成两段，中间拐弯，能够较好地体现注汽井分布的不规则性。
