求翻译：1919年9月，当时执政的段祺瑞派人在北京石景山东麓筹建名为“龙烟铁矿公司石景山炼厂”（即首钢的前身），兴建了一座日生产能力250吨的炼铁高炉。是什么意思？

In September 1919, the then ruling Duan send people to build in Beijing Shijingshan foothill named "Dragon Smoke Iron Ore Company the Shijingshan refinery" (ie, the predecessor of Shougang), the construction of a daily production capacity of 250 tons of iron smelting blast furnace.

September 1919, Duan qirui replaced at that time the ruling party in Beijing Shijingshan at the east building is called "dragon smoking Iron Ore Company Shijingshan refinery (the first steel), the predecessor, has built a Capacity 250 tons on the iron furnaces.

In September, 1919, at that time was in power Duan Qirui sent the human east the Beijing Shijing Hill the foothill construction named “the dragon smoke iron ore company Shijing Hill refinery” (i.e. Beijing Steel Corporation's predecessor), has constructed date productivity 250 ton iron-smelting blas

In September 1919, the ruling Duan Qi-Rui was sent at the eastern foot of Beijing Shijingshan start-up named "Dragon smoke Shijingshan iron ore company refinery" (that is, the Shougang's predecessor), the building has a daily production capacity of 250 tons of iron-smelting furnace.

正在翻译，请等待...