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English Translations » 炼制(催化焦化深加工) » Practice questions on April 4, 2017; replies will earn 2–6 p

Practice questions on April 4, 2017; replies will earn 2–6 points (no scoring after the answers are shown, thank you for your replies)

2017-04-04View Original

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Multiple-choice question: With all other conditions unchanged, if the top cutting temperature is too high, then top cutting will occur (　B,C　). A. Vacuum level increases B. Vacuum level decreases C. Residual pressure increases D. Residual pressure decreases
Reply #22017-04-04
B. Vacuum level decreases C. Residual pressure increases

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Translated at 2026-07-21 05:09:08

Original: https://bbs.hcbbs.com/thread-1767411-1-1.html

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