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軸流風(fēng)機(jī)焊接制造時(shí),,其單個(gè)葉片是沖壓成型的嗎,? |
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小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號-1,,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
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