ZHONG GUO SHI YOU TIAN RAN QI JI TUAN GONG SI AN QUAN HUAN BAO BU profile picture

ZHONG GUO SHI YOU TIAN RAN QI JI TUAN GONG SI AN QUAN HUAN BAO BU

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HSE
2008HSE
China Petroleum and staff from Safety Manual: thermal Note operating safety manual(Chinese Edition)
2007HSE
HSE risk management theory and practice(Chinese Edition)