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一臺機器的深溝球軸承的滾珠全都碎了,請教 |
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點評
只能是承載力不夠了
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Archiver|手機版|小黑屋|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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