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在周边临空的状态下,无立足点或无牢固可靠立足点的条件下进行的高度在2米及以上的作业。
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China Bookstore
China Bookstore Publishing House
China boundary surveying
China Braille Publishing House
China-Brazil earth resource satellite,CBERS
China Brazil Earth Resources Satellite
China Broadcasting and Hosting Works Award
China Broadcasting Children's Chorus of National Radio
China Broadcasting Chorus
China Broadcasting Comic Arts Troupe
China Broadcasting Symphony Orchestra
China Buddhist College
China Building Decoration Association
China Building Material Federation
China Building Materials Academy
China Business Administration Case Center
China Business News
China Business Times
China Calligrapher Network
China Center for Information Industry Development
China central people's government portal
China Central Television
China Central Television headquarters building
China Central Television,CCTV
China Ceramic Artist
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