短語(yǔ)詞組短語(yǔ)power -operated knapsack sprayer-duster 背負(fù)式機(jī)動(dòng)噴霧噴粉機(jī)Power -operated knapsack air-blast sprayer-duster 背負(fù)式噴霧噴粉機(jī) 返回 knapsack sprayer-duster