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English Translations » 炼制(催化焦化深加工) » [Practice Question 2017.01.10] Participating earns 3–8 wealt

[Practice Question 2017.01.10] Participating earns 3–8 wealth rewards

2017-01-10View Original

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Multiple-choice question: For lubricating oil-type vacuum distillation columns, it is generally more appropriate to use (　　) type of trays. A、Mesh plate B、Sieve plate C、Floating valve plate D、Round bubble cap plate **: A Reminder: Hidden ** – no scoring will be given after it is displayed. Thank you!
Reply #22017-01-10
For lubricating oil-type vacuum distillation columns, it is generally more appropriate to use (　A　) trays. A. Mesh plate B. Screen plate C. Floating valve plate D. Round bubble cap plate

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Translated at 2026-07-21 05:09:59

Original: https://bbs.hcbbs.com/thread-1663660-1-1.html

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