frothing percentage

例句：

1. 1. Thefoaming percentage in this product is5%.
   该产品的泡沫百分比为5%。
2. 2.The frothing percentage of the milk was30%.
   牛奶的泡沫百分比为30%。
3. 3. The frothing percentage ofthe beer was 10%.
   啤酒的泡沫百分比为10%。