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【Daily Question】Chemical Analysis Edition, 3.8.2021

2021-03-08View Original

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This post was last edited by zjp on 2021-3-8 08:27. Multiple-choice question: When maintaining and servicing instruments and equipment, the principle of \"three protections and four fixations\" should be followed, that is, it is necessary to (). A. Designate a person to keep it B. Store it in a specific location C. Designate a person to use it D. Perform regular maintenance Answers: ABD

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