The FS 99 Flow Sensor accurately senses water flow in the drain pipe.

FS99流量感应器精确感应排泄管道内的水流.

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The advantage of UPVC plastics drain pipe and points for attention in fixing are put forward.

介绍了硬聚氯乙烯排水管的优越性及施工安装中的注意事项.

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To avoid water damage due to valve operation a drain pipe must be installed.

为了避免由于阀门运行所造成的水破坏,必须安装排泄管道.

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Periodical inspection and maintenance of water supply system, supplying pipe , tape and tank, drain pipe.

给水装置的管线 、 龙头 、 水箱及排水管道的定期检查和维修.

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Respectively certain drain pipe and absorb water the diameter, model number and walls of tube thick.

分别确定排水管和吸水管的直径 、 型号以及壁厚.

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