One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 477
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Multiple-choice question: Globe valves are among the most commonly used valves in chlor-alkali plants, especially when the medium is pure water, industrial water, or steam. When the disc of a globe valve comes loose, the fluid ( ). A Traffic remains unchanged B Traffic decreases C Cannot pass D Traffic increases Answer: C Cannot pass
If it falls off, can’t it be propped up again?