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【Daily Question】LNG-related Technology Exchange Edition 20200522

2020-05-22View Original

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Participation: Prize 1 Wealth; Correct answer: Reward of 3 wealth points ; Note: This post is valid for 48 hours. https://bbs.hcbbs.com/static/image/hrline/2.gif Multiple-choice question: The presence of mechanical impurities causes the friction surface to ( ). (A) Unaffected (B) Premature wear (C) Rust formation (D) Cavitation Answer: B Your participation is the greatest support for our work.

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