The Annual petroleum and Petrochemical Safety Production Event
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北京航天石化技術裝備工程公司組團參觀cippe2019石油展紀念照片
北京航天石化技術裝備工程公司組織七個科室同事參觀，重點參觀石化設備、智能設備等，并合影留念。
In petroleum, chemical, coal mine, metallurgy and many other industries, usually there are flammable and explosive dust dangerous places. In recent years. Read More >
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