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English Translations » 【化工工程交流】 » Basic Process Knowledge (Multiple Choice) 20180314

Basic Process Knowledge (Multiple Choice) 20180314

2018-03-14View Original

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Single-screw pumps and triple-screw pumps. A. It belongs to the sealed type. B. It belongs to the unsealed type. C. The former is A and the latter is B. D. The opposite of C
Reply #22018-03-14
A~~~~~~~~~~~~~~
Reply #32018-03-14
Single-screw pump and triple-screw pump? A. It belongs to the sealed type. B. It belongs to the unsealed type. C. The former is A and the latter is B. D. The opposite of C. Choose A

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Translated at 2026-07-21 04:00:55

Original: https://bbs.hcbbs.com/thread-1942014-1-1.html

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