ulv meaning in English

超低容量
易损性上限

Tea tree oil ulv handy thermal fogger
茶树油热雾药液
There are basically three kinds of methods for the application of adulticides , namely thermal fogging , cold fogging ( ulv treatment ) and residual spraying
施放灭成蚊剂有三种方法，即热喷雾法、冷喷雾法(超低量)和残留喷洒。
Cold fogging is sometimes called ultra low volume ( ulv ) treatment as it allows the utilization of only a very small amount of chemical for coverage of a large area
由于冷喷雾法在大范围亦只需使用极少化学品，所以有时亦称为超低量喷雾。