介绍了一种小口径管道中的流量测量与控制的方法。
The article introduces a method of flow measurement and control in a small-bore piping.
矿岩棉保温管壳，适用于中小口径管道的保温绝热。
Thermal insulation pipe section made from mineral wool can be used for thermal insulation in small to medium sized pipe.
该方法及装置能方便地加工小口径管道坡口，质量好、效率高。
The method and the device can machine the bevels of the small-bore pipeline conveniently, and have the advantages of good quality and high efficiency.
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