口吸式吸蚊管是二十年代的产品,特点是结构简单,使用方便,但每次捕蚊时,都要把30～90毫升含有灰尘和其他浮游物的空气吸入口腔和气管里,不合卫生要求。此外,还有吸捕活动半径受限,不易追捕飞蚊,吸捕效果与技术水平差异很大等许多缺 Suction suction mosquito suction tube is the product of the twenties, characterized by simple structure, easy to use, but every time the mosquito catch, should be 30 to 90 ml of air containing dust and other floating objects inhaled mouth and trachea, Health requirements. In addition, there are a number of shortages, such as limited hunting radius, difficulty in tracking down fly mosquitoes, great differences in absorption efficiency and technical level