通过对某单栋塑料大棚各组成部件的经济分析，提出降低成本的可能方法——材料的科学替换。
Through economy analysis on the single-span plastic greenhouse of components, the way to reduce cost-alternative mate rial has presented.
通过对某单栋塑料大棚各组成部件的经济分析，提出降低成本的可能方法——材料的科学替换。
Through economy analysis on the single-span plastic greenhouse of components, the way to reduce cost-alternative mate rial has presented.
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