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One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (October 30)

2017-10-30View Original

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Participation earns a 3 wealth reward. Multiple-choice question: If a flammable liquid storage tank is fed from the top, the feed pipe should be led from the top of the tank to a distance of ( ) centimeters below the tank bottom. A.20 B.30 C. 40 D100.

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