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銆€銆€GB/T12770-1991锛堟(j墨)姊扮祼(ji茅)妲�(g貌u)鐢ㄤ笉閵归嫾鐒婃帴閶肩锛�銆備富瑕佺敤浜庢(j墨)姊般€佹苯杌�銆佽嚜琛岃粖銆佸鍏�銆佽硴椁ㄥ拰椋簵瑁濋>鍙婂叾浠栨(j墨)姊伴儴浠惰垏绲�(ji茅)妲�(g貌u)浠躲€傚叾浠h〃鏉愯唱(zh矛)0Cr13銆�1Cr17銆�00Cr19Ni11銆�1Cr18Ni9銆�0Cr18Ni11Nb绛�銆�
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