论文部分内容阅读
在这里,我们所说的日光温室是指北面有后墙、东西有山墙、前屋面用塑料薄膜作覆盖材料,在深冬季节不进行加温也能生产喜温蔬菜的大棚。 日光温室的基本结构: 日光温室均采用坐北向南东西延长的方向建造。在大棚两侧的墙体称为山墙;连接两山墙起支撑作用的北墙称为后墙;在后墙之上与地面成一定角度的部分为后坡也称后屋面;在温室中用来支撑棚架的是立
Here, we refer to the solar greenhouse refers to the north back wall, things gables, the front roof with plastic film as covering material, in the winter without heating can produce warm vegetables shed. The basic structure of the solar greenhouse: solar greenhouse are used to sit north to south direction of extension of the building. Walls on both sides of the greenhouse are called gables; the northern wall, which connects the two gables to support the floor, is called the rear wall; the rear of the rear wall, also called the rear roof, is also called the rear roof; Support scaffolding is legislation