Earth pressure sensor calibrating device's air supply pressure control system

The utility model discloses an earth pressure sensor calibrating device's air supply pressure control system, include and constitute process boost control device jointly by the shut -off valve that admits air, decompression air -vent valve, admit air measurement needle valve and the bypass valv...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Luo Chenggang, Ji Xilin, Wang Xiaolong, Tang Haihong, Nie Fei, Zeng Yongju
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING PIPE-LINE SYSTEMS PIPE-LINES STORING OF DISTRIBUTING GASES OR LIQUIDS WEAPONS
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