山东齐河县农机化所研制的3WCD—5B型手持式电动超低量喷雾器,主要由喷头、喷头体支座、手把、药液瓶及其支架、开关和后盖等组成。体小轻便、省药、防治效果好。既可用于粮、棉、蔬菜等作物的病虫害防治和喷洒多种植物激素作业,又可用于城乡卫生防疫。被山东省农机化服务公司列为1985年重点推广机具之一。主要技术参数 3WCD-5B hand-held ultra-low-volume electric sprayer developed by Shandong Qixian Agricultural Mechanization Institute mainly consists of a spray head, a nozzle body holder, a handlebar, a medicine bottle, a bracket, a switch and a back cover. Small body light, provincial medicine, prevention and treatment effect is good. Both for food, cotton, vegetables and other crops pest control and spraying a variety of plant hormone operations, but also for urban and rural health and epidemic prevention. Shandong Province Agricultural Machinery Service Company as one of the key promotion tools in 1985. The main technical parameters