基本解释[农业科学]单栋温室英汉例句双语例句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。single-span greenhouse更多例句词组短语短语single -span plastic greenhouse 单栋塑料大棚single-span greenhouse更多词组专业释义农业科学单栋温室