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guan yu zheng que yun yong hua xing qi gong shi de ji ge wen ti
Author(s): 
Pages: 21-23
Year: Issue:  10
Journal: Farm Machinery

Keyword:  垅作平播结构原因开沟器垂直平面参照点水平距离中心线边缘点几何位置;
Abstract: <正>在垅播垅管或平播垅管的垅作制条件下,若是首次作业(播种、起垅)时造成垅距不均等,会给下一步机械化衔接作业带来很多麻烦和困难(如伤苗、断垅等),甚至无法进行作业。造成垅距不均等原因主要归纳为以下两种:一种是在作业幅内形成的幅内垅距不均等。这与机具的零部件的变形、安装不当等有关,与开车技术无关,叫做结构原因或静因素。可通过恢复机具正常技术状态来克服。另一种是在相邻两工作幅衔接处形成的接幅垅距
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