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English Translations » 【化工工程交流】 » Fundamentals of Processing Technology (Multiple Choice) 2018

Fundamentals of Processing Technology (Multiple Choice) 20180502

2018-05-02View Original

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This post was last edited by HP0377 on 2018-5-2 at 12:11. Basic Process Knowledge (Multiple Choice Questions) 20180502: The H-shaped metal ring installed in the soft packing gland of a centrifugal pump is called . A. Sealing ring B. Water seal ring C. Mouth ring D. Leak prevention ring
Reply #22018-05-02
the anser is C

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Translated at 2026-07-21 03:59:27

Original: https://bbs.hcbbs.com/thread-1977931-1-1.html

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