目前,手动药械在防治农作物病虫害上起着主要作用。但是国内现有的机具,还存在着型号繁多、规格不统一、零件的互换性差、有的制造加工的质量还不够高等问题,因此必须对现有机具逐步分批的加以改进设计。以求达到:性能好,工效高,寿命长,成本低的要求。 上海农业药械厂曾对单管及压缩两种喷雾器及 At present, manual medicine plays a major role in preventing crop pests and diseases. However, the existing machinery in China still has many models, specifications are not uniform, poor interchangeability of parts, and some manufacturing and processing quality is not high enough, so the existing equipment must be gradually improved to design. In order to achieve: good performance, high efficiency, long life, low cost requirements. Shanghai Agricultural Yijia Chang had a single tube and compressed both sprayer and