典型的测量流量、水位、温度、压力、流量往往是最困难的，因此最受不正确的设备的选择。

Of the typical measurements of flow, level, temperature and pressure, flow tends to be the most difficult and therefore the most subject to incorrect device selection.

youdao

典型的测量流量、水位、温度、压力、流量往往是最困难的，因此最受不正确的设备的选择。

Of the typical measurements of flow, level, temperature and pressure, flow tends to be the most difficult and therefore the most subject to incorrect device selection.

youdao