【Daily Question】Hydrogen Production and Hydrogenation Technology Edition 20190813
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Correct answer prize: 3 Wealth, participation prize: 1 Wealth. Single-choice question: The most ideal arrangement of furnace tubes is ( ). A. Double-sided radiation with multiple rows of horizontal tubes ； B、Single-row horizontal pipe with double-sided radiation ； C、Single-row horizontal pipe, single-sided radiation ； D. Double-row horizontal tubes with single-sided radiation. Answer: B Your support is the greatest encouragement for me when I’m without a job! Giving roses to others leaves a pleasant fragrance in one’s own hands.
A. Double-sided radiation with multiple rows of horizontal tubes；