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| 扣紧螺母 | |||
| 紧固锁紧螺母; 紧帽; 紧固锁紧，防松螺母 | |||
| 锁紧螺母; 止动螺母 | |||
| 止动［防松］螺母 | |||
| 制动螺母; 制动螺帽; 固定螺母; 锁紧螺帽 | |||
| retaining nut: 2 phrases in 2 subjects |
| Automobiles | 1 |
| Drilling | 1 |
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