Single-frame greenhouses are usually constructed using metal or wood as the main support material. Compared with multi-layer or composite structures, the single-structure frame greenhouse structure is simpler, the cost is relatively low, and the installation is more convenient.
Multi-arch greenhouse is an efficient and practical agricultural facility, which has the advantages of high space utilization rate, strong environmental control ability and easy mechanization operation, and plays an important role in modern agriculture
IPv6 network supported 
