2409| 1
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鑄鋼件材質(zhì)為ZG20CrMo,,現(xiàn)做磁粉發(fā)現(xiàn),出現(xiàn)穿透孔壁的長裂紋 |
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小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
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