1 5 meter arch rod tunnel greenhouse

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...Tunnel Greenhouse For Mushroom Cultivation The span is 8 meters and the length is arbitrary, which can be as long as you like according to the terrain. The shoulder height of the greenhouse is generally more than 1.5 meters, the arch spacing is one meter, and the ceiling height can be controlled between 3 meters and 3.5 meters. The main materials of the ground-inserted greenhouse are arch rods, string rods...