火药是由硫 、 碳和硝酸钾组成.Gunpowder is composed of sulfur, carbon, and potassium nitrate.氨对硝酸钾的选择分离结晶效果较好.And ammonia had effective selectivity for the separation of potassium nitrate.用氯化钾与硝酸铵为原料,采用复分解法生产农用硝酸钾与氯化铵.Agricultural pot...
He knew the nomination was his for the asking.他知道只要他开口就能得到那项提名。They say he's certain to get a nomination for best supporting actor.他们说他肯定能获得最佳男配角奖的提名。The film faces stiff competition for the Best Film nomination.这部电...
给办公室或工厂装备计算机,使办公手续或生产过程更方便或自动化.Equipping an office or plant with computers to facilitate or automate procedures.安排峰会或工厂参观,向客户介绍工厂.To arrangement of seminars or plant tours to present HAC to customers.参观公司或工厂.Visiting a c...