Acids, Bases, and Salts 酸，碱，盐 Definitions and Propertie..
read more →opening stock 期初存货 operating expense 营业费用 order 订单 orga..
read more →Regional and departmental protectionism 地区和部门保持主义 super..
read more →The most sever consequence of CO2 induced global warmin..
read more →三相交流电 three-phase AC 磁路 magnetic circles 变压器 transforme..
read more →金属切削 metal cutting 机床 machine tool 金属工艺学 technology of ..
read more →Unit 6：Effects on Climate and Ecological Environment 对气..
read more →Pioneer enterprise 试点企业 Enlarge the right of self-manag..
read more →job 工作 job cost 工程成本 joint venture 短期合伙 journal 日记账 lab..
read more →Chemical Equilibrium化学平衡 Reversible Reactions and Equil..
read more →