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| 球轴承球保持架 | |||
| 滚珠隔圈; 滚珠轴承隔离套 | |||
| 滚珠轴承罩; 滚珠隔离圈; 滚珠槽; 球轴承罩 | |||
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ball cage : 7 phrases in 4 subjects |
| Automobiles | 3 |
| Oil / petroleum | 1 |
| Surgery | 1 |
| Technology | 2 |
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