Drainage system in greenhouse

The utility model discloses a greenhouse internal drainage system which comprises roofs, a gutter is fixedly connected between the two roofs, a U-shaped connecting block is connected to the outer side of the bottom of the gutter through a fixed connecting structure, a threaded groove is formed in th...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HUANG QIUJU, DONG AIMEI, XIE RONGXIANG, XIE RONGJI, XIE RONGLIANG, DONG CHUNJIE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BUILDING FIXED CONSTRUCTIONS GUTTERS ROOF COVERINGS ROOF-WORKING TOOLS SKY-LIGHTS
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