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固定压膜线的顺序是先细后密
固定压膜线：薄膜覆盖好以后，要用压膜线将其压紧固定，压膜线可以是市售的聚丙烯温室专用压膜线，也可以用尼龙绳或铁丝代替，但最好不用。以以专用压膜线为最好。先将压膜线的一端绑在温室后屋面上的8号铅丝上，从温室上抛下，压在两拱杆之间的薄膜上，下端地锚环，拉紧绑好。
Fixed film-pressing line: After the film is covered, it should be pressed and fixed by film-pressing line. Film-pressing line can be a special film-pressing line for polypropylene greenhouse sold in the market, or can be replaced by nylon rope or iron wire, but it is better not to use it. The special film-pressing line is the best. First, one end of the film-pressing line is tied to lead wire No. 8 on the back roof of the greenhouse, thrown down from the greenhouse, pressed on the film between the two arch poles, and the anchor ring at the lower end is tightened and tied.
固定压膜线的顺序是先细后密，先大伺距的固定几根压膜线，再逐渐在每个拱杆之间固定一条压膜线。压膜线和塑料薄膜都有一定的弹性，要在固定好压膜线的第二天和第三天；再紧2-3次，才可保证确实压紧，压紧的前屋面薄膜呈波浪状。
The order of fixed film-pressing line is first fine and then dense. Fixed several film-pressing lines with large waiting distance, and then fixed a film-pressing line gradually between each arch bar. Film line and plastic film have certain elasticity, in order to fix the film line on the second and third days, and then 2-3 times, to ensure that the real compression, the front roof film pressed wavy.
Fixed film-pressing line: After the film is covered, it should be pressed and fixed by film-pressing line. Film-pressing line can be a special film-pressing line for polypropylene greenhouse sold in the market, or can be replaced by nylon rope or iron wire, but it is better not to use it. The special film-pressing line is the best. First, one end of the film-pressing line is tied to lead wire No. 8 on the back roof of the greenhouse, thrown down from the greenhouse, pressed on the film between the two arch poles, and the anchor ring at the lower end is tightened and tied.
固定压膜线的顺序是先细后密，先大伺距的固定几根压膜线，再逐渐在每个拱杆之间固定一条压膜线。压膜线和塑料薄膜都有一定的弹性，要在固定好压膜线的第二天和第三天；再紧2-3次，才可保证确实压紧，压紧的前屋面薄膜呈波浪状。
The order of fixed film-pressing line is first fine and then dense. Fixed several film-pressing lines with large waiting distance, and then fixed a film-pressing line gradually between each arch bar. Film line and plastic film have certain elasticity, in order to fix the film line on the second and third days, and then 2-3 times, to ensure that the real compression, the front roof film pressed wavy.
