Coal seam gas pressure measuring system and method

The invention discloses a coal seam gas pressure measuring system and method. The coal seam gas pressure measuring system comprises a constant-pressure automatic supply unit and a pipeline pressure measuring unit. The constant-pressure automatic supply unit is connected with the pipeline pressure me...

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Bibliographische Detailangaben
Hauptverfasser:	XUE WENTAO, GUO YANFEI, ZHANG QINGTIAN, ZHAO FUXIANG, LI XUECHEN, HAO DIAN, WEI PEIJIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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