短语词组短语No frothing 不起泡frothing lips 口吐泡沫frothing volume 发泡量mechanical frothing 机力起泡frothing reagent 起泡剂frothing equipment 发泡机械frothing system 易起泡物系frothing process 发泡法制frothing oil 起沫油;起泡沫油frothing agent 起沫剂 返回 frothing