Before installing, flush pipe line to remove scale and debris.

在安装之前，冲洗管道，清除水垢和碎片。

There is no water and most of the time pipe line and taps are stolen.

没有水，大多数时候管道或笼头被偷了。

Open the relevant valves on the oil pipe line and the water pipe line.

打开油管管路和水管管路上有关的阀门。

Close 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。

Maximum continuous flow based on pipe line velocity of 20 ft. per second.

最大持续流量以管路流速每秒20英尺为计算基础。