water-in-oil emulsion的用法和樣例：
例句
- In the experiment, with the increase of water cut, the frictional pressure drops decrease sharply when water disperses in oil but hardly change when oil disperses in water.
本實(shí)驗范圍內，當管內液相處于油包水時(shí)，摩擦壓降隨含水率的增大急劇減小，當液相處于水包油時(shí)，隨著(zhù)含水率的增大，流動(dòng)摩擦壓降隨含水率的增大變化平緩。
