2023年全國碩士研究生考試考研英語一試題真題(含答案詳解+作文范文)_第1頁
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1、ICS 77.040.10CCS H 22 YB中 華 人 民 共 和 國 黑 色 冶 金 行 業(yè) 標(biāo) 準(zhǔn)YB/T 4933—XXXX電梯鋼絲繩用鋼絲 維氏硬度試驗(yàn)方法Steel wire for lift ropes—Vickers hardness test method(報(bào)批稿)XXXX -XX -XX 發(fā)布 XXXX - XX - XX 實(shí)施中華人民共和國工業(yè)和信息化部 發(fā) 布YB/T XXXX—XXXXI目 錄前言·

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12、·····13 術(shù)語和定義······························&#

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15、3;··············14 符號和說明·····················

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18、183;·······················15 試驗(yàn)原理············

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20、83;····································&

21、#183;···································26 試驗(yàn)

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25、3;···········27 試樣制備························&

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28、83;·······················38 試驗(yàn)程序············

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31、183;···································39 試驗(yàn)結(jié)

32、果的計(jì)算····································

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35、183;··410 試驗(yàn)報(bào)告································

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