起泡剂是能够发生化学反应并产生气体的物质.Foaming agent is a chemical reaction can occur and produce gases.运用GC-MS剖析两起由起泡剂引发的选矿事故.Two mineral processing accidents resulted from frothers are analyzed by means of GC - MS....
为了解救马汉,我们做了最大的努力.We redouble our efforts for Manhan's release.从许多方面来说，马汉的经历就是亚裔团体的经历的缩影。In many respects, Mahan's story is that of the Asian community in microcosm.你的话惊动了马汉在天之灵.You've made Mahan turn over ...
We may reexamine our goals or our methods for attaining our goals.我们可能会重新审视我们的目标或我们实现目标的方法。Jim is halfway to attaining his pilot's licence.吉姆就快要拿到飞行员执照了。By that time she was attaining to fifty.那时她已快到五十岁了....