成对双联轴承
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back to back duplex bearing, face-to-face duplex bearing
back-to-back (face-to-face) duplex bearing
back-to-back duplex bearing; face-to-face duplex bearing
пословный:
成对 | 双联 | 联轴 | 轴承 |
тех. двойной; двусвязный; дуплекс
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подшипник
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