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temporary electricity work
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temporary electricity work
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temporary electricity work
临时用电作业
当在施工、生产、检维修作业区内作业过程中,使用正式运行的电源上所接的非永久性用电、涉及临时照明、手持电动工具、电动机械设备的作业。
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operant conditioning
operant extinction
opera of soviet area
opera of the Ming Dynasty
opera painting
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opera performance at different seasons and solar terms
opera performance equipment
Opera Performance Monument of the Dragon King Temple by the West Dragon Pool in Chengjiang City
opera performance of rural society
opera performance of urban society
opera performance outside one's troupe
opera performed at a market rally
opera performed by official troupe of Qing Dynasty
Opera Performers in Ming and Qing Dynasties
opera played in temple fairs
opera poster
opera practice
opera practices
opera prints of Taohuawu
opera prints of the Ming Dynasty in Fengxiang County
opera prints preserved in Mianzhu City
opera reform
opera rehearsal accompanied with musical instruments
opera relics and artifacts
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