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 a type of greenhouse connected by multiple arch structures, which is usually used in agricultural production, and has the advantages of low cost, high land utilization rate and easy management.
IPv6 network supported 
