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Aerated greenhouse for vegetables or flowers - has tunnel frame covered with upper impermeable section and lower section of woven air-permeable material
Aerated greenhouse for vegetables or flowers - has tunnel frame covered with upper impermeable section and lower section of woven air-permeable material
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机译:用于蔬菜或花卉的加气温室-通道框架的上半部分和下半部分覆盖有编织的透气材料
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摘要
An aerated greenhouse, for growing either vegetables or flowers which need some protection from the weather, consists of a tunnel frame made from semi-circular arches, lengthwise members (4) and joints (5), covered with a flexible material (6). The covering is in two sections (7,8), with the upper section (7) made from a translucent and waterproof material, and the lower one made from a synthetic air-permeable material, such as interwoven strips of a synthetic material. The adjacent edges of the two covering sections can be joined together by a lengthwise element (11) which forms a guttering channel for rainwater on the outside of the greenhouse having two compressible ribs on its inner surface to grip the edges of the two covering sections.
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