【摘要】 本文论述了一种利用高速气流将灌木种子、草籽、颗粒毒饵喷撒出去的机引喷播机的主要性能设计。该机还能进行超低量弥雾作业，是干旱地区突发性病虫害有力的防治机械。更多还原

【Abstract】 The paper discusses the design of the main fuctions of the towed direct seeding machine(preamatic spraying seeding machine),which spraies bush seeds,grass seeds and small and roundish poison baits by use of the high speed air flow.It can also be used in the ultralow amout atomizing operation and is the best machine of prevention and control of plant diseases and insect pests in arid areas.更多还原