• 献身现代化, 攀登新高峰 

        Contributor:Qiu Bai Ping
        Date:1979
        Man holding cordless phone / radio wearing protective head gear with industrial background and other men welding
      • 献身现代化, 攀登新高峰 

        Contributor:Qiu Bai Ping
        Date:1979
        Man holding cordless phone wearing protective head gear with industrial background and other men welding