6239| 15
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大家好,!角接觸球軸承需不需要在外圈我畫的位置加墊圈來做預(yù)緊,?謝謝! |
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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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