【Daily Topic】【HVAC Version 20170320】
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Participation reward: 2 Wealth. Correct reward: 8 Wealth. Multiple-choice question: When a heating pipeline must pass through a firewall, what measure should be taken? A. Fixing, sealing B. Insulation C. Thermal insulation D. Adding a sleeve A
When heating pipes must pass through a fire wall, (A) measures should be taken. A, Fixing and sealing B, Insulation C, Thermal insulation D, Adding a sleeve