各装置之间 通过粉煤管道相连通，管道上设有煤粉流量监控器和氮气压力流量计及其流量 控制装置。

The devices are communicated through fine coal pipelines, and a fine coal flow monitor, a nitrogen pressure flow meter and a flow controller thereof are arranged on the pipelines.

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与德国试达默公司的压力位移监控器比较该装置不但能够完全实现监控功能，而且每套装置节省成本三万元左右。

Compared with Germany Staiger pressure and displacement monitoring instrument, the device could realize monitoring function completely, and the device cost drops by about thirty thousands Yuan.

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