背负式弥雾喷粉机(简称背负机)以小型汽油机直接驱动,具有重量轻、体积小、操作方便等优点,在近二十年中发展较快。我国目前已有十多种机型、十多万台的保有量,在防治农林作物的病、虫、草害和根外施肥中发挥了很大作用。 Piggyback Mist Duster (referred to as the negative machine) to a small gasoline engine directly driven, with light weight, small size, easy operation, etc., developed rapidly in nearly two decades. At present, China has more than ten kinds of models and the holding amount of more than 100,000 sets has played a significant role in the prevention and control of diseases and insect pests, grass pests and extra-termination fertilization of agricultural and forestry crops.