该机(图1)是在24行谷物播种机上改制的,改装时不破坏原机结构,只在播种机后部增设一套改制工作部件,并利用原播种机升降方轴带动铺膜机构同播种开沟器一起升降,同时一次完成播种、施肥、铺膜作业。其工艺过程是平地—播种—施肥—开沟—铺膜—覆土。工作时,24行播种机承担播种施肥工序,副梁及一套铺膜机构作为原机的一套附件,完成铺膜工序,副 The machine (Figure 1) is modified on a 24-row grain sowing machine. The modification does not destroy the structure of the original machine. Only one set of modified working parts is added to the rear of the sowing machine. Sowing opener together with lifting, at the same time to complete the sowing, fertilization, filming operations. The process is flat - sowing - fertilization - ditching - film - covered soil. At work, the 24-row seeder will undertake the sowing and fertilizing procedures, the auxiliary girders and a set of filming mechanisms as a set of attachments to the original machine to complete the filming process. The vice