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數(shù)學(xué)和力學(xué)不行,,我買的書(shū)20%看不懂 |
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點(diǎn)評(píng)
上班很無(wú)聊,,看書(shū)解悶
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點(diǎn)評(píng)
求人不如求幾,,自己上網(wǎng)找唄,。
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點(diǎn)評(píng)
機(jī)床維修,,液壓,,氣動(dòng),機(jī)械,,軸承,,電氣,操作
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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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