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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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ground covers
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ground crew's responsibility
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ground diameter
Ground-dog Techniques
ground dragon
ground-dwelling pest
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ground geophysical prospecting methods for groundwater
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ground glasses screen
ground gravity survey
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