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【Daily Topic】【Electrical Edition 20170114】

2017-01-17View Original

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This post was last edited by yuchenchf on 2017-1-18 at 12:45. Reward for participation: 2 Wealth. **Correct reward: 9 wealth. Projects or locations where copper-core cables should be used include ( ). A. Civil air defense projects B. Zone 2 in environments with explosive gases C. Zone II in environments with explosive dusts D. Inside residential units AD

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