15075949515 VX:505800693
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鐔旀暦閲戝爆鍖栧(xu茅)鎴愬垎锛堣唱(zh矛)閲忓垎?j菒n)?sh霉)锛夛紙%锛�
C Mn Si S P
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鐒婃鐩村緫/mm 2.5 3.2 4.0 5.0
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