single-span greenhouse
常見(jiàn)例句
- Through economy analysis on the single-span plastic greenhouse of components, the way to reduce cost-alternative mate rial has presented.
通過(guò)對(duì)某單棟塑料大棚各組成部件的經(jīng)濟(jì)分析，提出降低成本的可能方法——材料的科學(xué)替換。 返回 single-span greenhouse