活塞式背负喷雾机
piston type knapsack sprayer
手动背负式喷雾器
hand operating knapsack sprayer
背负式机动鼓风喷雾器
motorized knapsack mistblower
背负式压力筒喷雾器
knapsack sprayer with pressurized cylinder
背压式气动量仪
backpressure pneumatic instrument
双抽气背压式汽轮机
double-extraction non-condensing turbine
压气式负荷隔离开关
air-blast on-load isolator
压气式负荷开关
pressure-operated load switch
车载式喷雾机
the spraying machine of vehicle carries