外部增加冷却水管路。
吸水管路的阻力太大。
清理吸水管路及底阀。
打开油管管路和水管管路上有关的阀门。
Open the relevant valves on the oil pipe line and the water pipe line.
关闭相关的油管管路和水管管路上的阀门。
Close the relevant valves on the oil pipe line and the water pipe line.
而在市政供水管网中，则很难得到一条确定的管路特性曲线。
The municipal water supply networks, is very difficult to determine the line of a curve.
而在市政供水管网中，则很难得到一条确定的管路特性曲线。
The municipal water supply networks, is very difficult to determine the line of a curve.
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