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請(qǐng)教葉片泵的定子、轉(zhuǎn)子、葉片的常用材質(zhì)及其熱處理方式? |
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Archiver|手機(jī)版|小黑屋|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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