短语词组短語No frothing 不起泡frothing lips 口吐泡沫frothing volume 發泡量mechanical frothing 機力起泡frothing reagent 起泡劑frothing equipment 發泡機械frothing system 易起泡物系frothing process 發泡法制frothing oil 起沫油;起泡沫油frothing agent 起沫劑 返回 frothing