The electrical control system of F4, F5, F6, three of six main DC motors, F1 to F6, in finish rolling line in our plant was reformed with digital system one after another from 1996 to 1997.
宣钢一轧厂热带车间先后于1996年和1997年对六台精轧直流主电机F1至F6之中的三台F4、F5、F6的电控系统进行了数字化改造。
But perhaps the biggest star of the day was China, which designed the system, supplied the trains and imported hundreds of engineers for the six years it took to plan and build the 466-mile line.
但那天最大的明星也许是中国，中国设计了这个系统，提供了火车，并在规划和建设这条全长753公里的铁路的六年间，输入了数百名工程师。
The power grid sector will form six regional power grid companies and build up power grid enterprises in line with the modern enterprise system.
电网系统将组成6个区域性的电网公司，并用现代企业制度构建电网企业。
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