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【Daily Judgment NO.62】July 20, 2016

2016-07-20View Original

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To boost activity in the gas purification sector and improve its professional standards, a daily true-or-false quiz has been introduced: True or False: In the event of a fire involving electrical equipment, it is necessary to cut off the power supply first before using a dry powder fire extinguisher to put out the fire. () A、Right B、Wrong A、Right Participation reward: 2 Wealth. Reward for correct answer: 9 wealth.

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