2. Nozzle : K type, W type,
middling long nozzle, thread nozzle and pulse nozzle.
喷嘴系列:K型、W型、中长喷嘴、螺纹喷嘴、脉冲喷嘴等。
3. The
middling poor, those on $2 a day, are pulling children from school and cutting back on vegetables so they can still afford rice.
在每天所得2美元的中等贫穷家庭,不得不让孩子们辍学,削减蔬菜的摄取以保全能有大米为继。