5782| 9
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鏈條的工藝流程:是制成鏈條后熱處理嗎? |
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點評
為什么自己做,量大?也有專機?直接買現(xiàn)成的省時省力,質(zhì)量也有保證,要自己做起碼也要按照標(biāo)準(zhǔn)來,看看這個:http://wenku.baidu.com/view/b07f113667ec102de2bd8923.html
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