残疾人奥运会始办于-atouchofloveweddingsandcoaching.com

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  • 奥运金牌的材料是什么ַ:ff00.co奥运会奖牌榜单最新,1940年奥运会,北京奥运会攒了多少钱F2F4Y5L8-2022-11-30 08:38  D  I  E

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      Դұ  ʱ䣺2022-11-30 11:57:07 0:47:46

    Ʒƣ纸
    ӢƣIron powder for welding industry
    ص㣺
    1.       ɸƺĺӹܣߺ۷Чʡе۷ЧʵļԼԵ纸
    2.       ɱȸߣߺ۷ЧʡЧ۵纸
    3.       ϸߺ̼ߺеܣסʯЧ
    4.       ϸͺűȱҩƤĵԼ绡ȶԺԡֱСҩƤĵ纸
     װ棺25kg/ڸͨ紦
     Ҫָ꣺

    ָ
    ָ
    Fe %
    98.00
    P %    ≤
    0.020
    Mn % ≤
    0.40
    % ≤
    0.30
    Si %   ≤
    0.15
    װܶ g/cm3
    2.5-3.7
    C%    ≤
    0.05
    s/50g≤
    30-36
    S %    ≤
    0.020
    ݿͻӹ-


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