cracking的音标：cracking的英式发音音标为：['krækɪŋ]cracking的美式发音音标为：['krækɪŋ]...

Changing stresses bring about more cracking and rock deformation.不断变化的应力导致更多的断裂和岩石变形。Mark, you'd better get cracking, the sooner the better.马克，你最好尽快开始，越快越好。She set off at a cracking pace to Mr Ramzan's Supersto...

A hydrocracking catalyst with high selectivity to middle distillates was developed.开发了一种具有较高的中油选择性的加氢裂化催化剂.Abstract: Typical failures in domestic fixed bed hydrocracking uni t over the years were summarized.文摘: 总结了我国固定床加...

hydrocracking的音标：hydrocracking的英式发音音标为：['haɪdrəˌkrækɪŋ]hydrocracking的美式发音音标为：['haɪdrəˌkrækɪŋ]...

isocracking的音标：isocracking的英式发音音标为：[aɪsəʊ'krækɪŋ]isocracking的美式发音音标为：[aɪsoʊ'krækɪŋ]...

A hydrocracking catalyst with high selectivity to middle distillates was developed.开发了一种具有较高的中油选择性的加氢裂化催化剂.Abstract: Typical failures in domestic fixed bed hydrocracking uni t over the years were summarized.文摘: 总结了我国固定床加...

adj.优秀的，美妙的，分裂的，极快的adv.非常，极其n.破裂，分馏，[化]裂化v.打开( crack的现在分词)，（使…）开裂，说（笑话），开瓶...

n.异构裂化...

A warping, bending, or cracking, as that by excessive force.翘曲, 弯曲,裂开:翘曲 、 弯曲或裂开, 如过强的外力引起.This paper introduces the realization of catalyzing and cracking unIt'self - protect interlock in MACS system.文章介绍了催化裂化装置自保联...

n.碳氢化合物分裂，氢化裂解...