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日本的JISG 3141 冷軋?zhí)妓劁摪寮颁搸?biāo)準(zhǔn)相當(dāng)于國(guó)內(nèi)的哪個(gè)標(biāo)準(zhǔn) |
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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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