9061| 55
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20*40矩形管長(zhǎng)600,設(shè)計(jì)一個(gè)機(jī)構(gòu)測(cè)量其長(zhǎng)度誤差控制在0.1以內(nèi) |
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點(diǎn)評(píng)
很貴吧
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點(diǎn)評(píng)
磁柵尺是外購(gòu)吧
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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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