用拖拉机牵引的喷雾器可以将5加仑药水喷洒在10英亩田地上。A sprayer hooked to a tractor can spray five gallons onto ten acres.5加仑汽油可以跑多少路?How far will five gallons of petrol carry us?请加5加仑汽油.Five gallons of gas, please....