搭袋法铺膜质量高无论是四膜八行棉花播机还是三膜九行宽膜棉花插机；人们在播种时都会遇到这样一个难题：随着播种时膜辐的不断转动，地膜的重量越来越少，膜辊拉力的减轻，会出现铺出的膜面表面松驰、不平整和盖土多的现象。不仅影响光照面。而且为日后的放苗带来困难。... Bag bag method of high quality membrane Whether the four film eight lines of cotton sowing machine or three film nine lines wide cotton plug machine; people will encounter such a problem when sowing: With the continuous rotation of the film when sowing, mulching Fewer and fewer weight, film roll reduction of tension, there will be paved membrane surface slack, uneven and overburden phenomenon. Not only affect the light surface. And for the future Fangmiao bring difficulties. ...