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English Translations » 【机械/加工制造】 » One question per day; no prize for correct answers, it’s jus

One question per day; no prize for correct answers, it’s just for entertainment

2019-11-17View Original

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? 15. The shaft that fits with the inner ring of the rolling bearing uses ( ). ? A. Hole-based system B. Shaft-based system C. Hole-based system. The answer to the question from yesterday was: C. The inner diameter of the rolling bearing with model number 129 is (145 mm). ?A、29mmB、90mmC、145mm
Reply #22019-11-18
Answer: A C, the two are the same

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Translated at 2026-07-21 04:38:22

Original: https://bbs.hcbbs.com/thread-2853137-1-1.html

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