And how is it known that Mars had hafnium - 187 ?那么是如何知道火星有铪 -187 的 呢 ?This activator is acyl amine - the hafnium activator that ether is a foundation.该催化剂为酰胺 - 醚为基础的铪催化剂.Chemical form of hafnium is perchlorate or nitrat...
A truck driver used his CB radio to call for help.卡车司机用民用波段无线电呼救。The CCC 、 CQC 、 CE & CB Certifications for Motors were introduced.介绍了目前电动机的CCC、CQC、CE 以及 CB认证的基本情况.CB without halogen residues, can effectively improve the...
Cranston and others were improperly trying to weigh in on the decision.克兰斯顿和其他人都不合时宜地想在这个决定中发表高见。I learned how to weigh out packages of seed.我学会了如何称出袋装种子的重量。I agreed to help him weigh it out.我答应帮他称一下。...
Councils should be answerable to the people who elect them.市政会成员应对推选他们的人负责。He must be made answerable for these terrible crimes.他必须对这些可恶的罪行负责。All ministers, including the prime minister, will be answerable directly to hi...