One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； March 1st
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Multiple-choice question: In the design of long-distance pipelines in chemical plants, material pipelines are generally laid with a slope of ( ). A 1/50 B 1/100 C 1/150 D 1/200 Answer: D 1/200
In the design of long-distance pipelines in chemical plants, material pipelines are generally laid with a slope of (C). A 1/50 B 1/100 C 1/150 D 1/200
In the design of long-distance pipelines in chemical plants, material pipelines are generally laid with a slope of (A). A 1/50 B 1/100 C 1/150 D 1/200