摘要: 可编程逻辑控制器,它采用一类可编程的存储器,用于其内部存储程序,执行逻辑运算、顺序控制、定时、计数与算术操作等面向用户的指令,并通过数字或模拟式输入/输出控制各种类型的机械或生产过程。基本结构 可[阅读全文]
摘要:Hindustan Copper Ltd. (HCL) is a Government-owned corporation in the Central Public Sector Enterprise[阅读全文]
摘要:National Aluminium Company Limited, abbreviated as 'NALCO', (incorporated 1981) (BSE: 532234) has u[阅读全文]
摘要:The Tajik Aluminium Company, abbreviated as TALCO, headquartered in Tursunzoda, Tajikistan, runs the[阅读全文]
摘要:Alcoa is the world leader in the production and management of primary aluminum, fabricated aluminum,[阅读全文]
摘要:Rio Tinto AlcanRio Tinto Alcan is one of five product groups operated by Rio Tinto, a leading interna[阅读全文]
摘要:中国铝业(China Aluminum Corp,英文缩写:CHALCO)——中国最大、全球第二大的氧化铝生产商 中国铝业公司官方网站网址:http://www.chinalco.com.cn/ 中国铝[阅读全文]
摘要:CODELCO is the Chilean State owned copper mining company formed in 1976 from the foreign owned copper[阅读全文]
摘要:LCD简介 LCD 液晶显示器是 Liquid Crystal Display 的简称,LCD 的构造是在两片平行的玻璃当中放置液态的晶体,两片玻璃中间有许多垂直和水平的细小电线,透过通电与否来控制杆[阅读全文]
摘要:ASARCO LLC is a mining, smelting, and refining company based in Tucson, Arizona that mines and proces[阅读全文]
摘要:经济核算制(economic calculation system) 经济核算制的定义 经济核算制是社会主义国家依据企业相对独立的商品生产和经营者的特点制定的一种管理经济的制度。 经济核算制的内容[阅读全文]
摘要:US Steel Canada (formerly Stelco) is a steel company based in Hamilton, StelcoOntario, Canada.Several[阅读全文]
摘要:美国铝业公司(Alcoa)简称美铝,是继力拓集团(Rio Tinto Group)及俄罗斯铝业集团(RUSAL)世界第三大铝材生产商。[阅读全文]
摘要:LC模式全称是Launch Control,中文翻译为:火箭模式、弹射模式或超级起步模式。LC的主要作用是帮助高扭矩、大马力的跑车以最优化的效率进行高速起步,避免无谓的滑动因为的动力耗损。LC模式是依附[阅读全文]
摘要:Calcium (pronounced /ˈkælsiəm/) is the chemical element with the symbol Ca and atomic[阅读全文]