The telephone and data lines from the public network to telephone room are not included in our scope of work, as it should be installed by local telecom company.
从公共管网到电话房的电话线和数据线的连接不包括在我们的工作范围内，这部分连接工作应由当地电信局提供。
It should be installed in horizontal or vertical section of a pipe where there is a straight run of at least 5 pipe diameters on each side.
流量开关应该安装在水平管道或垂直管道上，每一侧至少有5倍管道直径的直线管道长度。
It should be installed on the measuring point but not to touch the medium with strong corrupt and high temperature. It is better to make a transition by a special pipe.
变送器应直接安装在测量点，但强腐蚀性的或过热的介质不应与变送器接触，需借助引压管作为过渡，把取压口介质压力传输到变送器。
It should be installed on the measuring point but not to touch the medium with strong corrupt and high temperature. It is better to make a transition by a special pipe.
变送器应直接安装在测量点，但强腐蚀性的或过热的介质不应与变送器接触，需借助引压管作为过渡，把取压口介质压力传输到变送器。
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