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詢問(wèn)一下粉末冶金的一些性能參數(shù) |
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點(diǎn)評(píng)
當(dāng)時(shí)想當(dāng)然認(rèn)為是機(jī)械加工。后面發(fā)現(xiàn)基本是粉末冶金件,。感覺(jué)上很震撼,。
洗衣機(jī)變速箱?粉末冶金做齒輪很多,。
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點(diǎn)評(píng)
收到,謝謝
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