本文以济钢中板2500mm精轧机液压AGC系统为例，阐述了液压AGC的工作原理、用过程机进行轧制规程优化及基础自动化与数据库间的通信。......

Among the travel books of the eighteenth century Robinson Crusoe and Gulliver’s Travels are generally considcred to be ......

国民政府时期,近代华北各县政权组织发生了巨大的变革.国民政府改县长集权制为四局分权制,对县长进行考试、训练和考察;进行房科改......

Of Human Bondage is generally acknowledged as Maugham’s masterpiece and is one of the best realistic English pop novels......