13969| 19
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求角接觸球軸承消間隙時,墊片與內(nèi)圈接觸 和 墊片與外圈接觸的區(qū)別? |
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
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