10731| 20
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我司的蝸輪蝸桿減速機(jī),蝸輪磨損嚴(yán)重,,蝸桿好些 |
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是銅制蝸輪
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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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