City stairstep constant pressure water supply equipment and method

This invention discloses a kind of city cascade constant pressure supplying of water equipment and method. It includes water supply installation, water supply pipe network and constant and pressure device. The water supply device consists of a group of different frequency pump flow (5), its characte...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	YUSHU FENG
Format:	Patent
Sprache:	eng
Schlagworte:	FIXED CONSTRUCTIONS INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, ORDISTRIBUTING WATER SEWERAGE WATER SUPPLY
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