The existing public network for waste water drainage is along south side of the plot and the system is pressurized.
现有的公共污水管网沿着地块的南面，这部分系统是压力系统。
Read blueprints, drawings and specifications to determine layout of plumbing system, water supply network and waste and drainage systems.
解读蓝图，图纸和说明书用来配置管道系统，给水网，污水排水系统。
The water quality evolvement process in Yangtze River drainage area is believed as a complex network system, with having lots of nodes and correlating to the downflow.
长江流域水质演变过程可看成是一个具有多节点，向下流关联的复杂网络系统。
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