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国内规模最大的氧气站于91年12月14日在上海宝钢一次出氧成功。宝钢四号制氧机组,是从美国引进的第一套大型制氧设备,其配套项目由国内制造或合作制造,
The largest oxygen station in China was successfully delivered to Shanghai Baosteel on December 14, 1991. Baosteel No. 4 Oxygen Making Unit is the first large-scale oxygen plant imported from the United States. Its supporting projects are manufactured domestically or co-produced.