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| 51. | Ratchet mechanism is often used in the reducer of the casting crane. |
| 针对铸造起重机用减速器常采用的棘轮装置,采用三维实体造型软件Pro/ENGINEER建立其实体模进行运动仿真,利用Pro/MECHANICA有限元分析模块对棘爪进行应力、应变分析,得到棘爪需加强的部分。 |
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| 52. | click wheel pinion |
| 棘轮齿轴 |
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| 53. | ratchet Brace |
| 棘齿弓钻 |
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| 54. | ratchet coupling |
| 爪形联轴节 |
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| 55. | automatic load sustaining brake |
| 棘轮制动器 |
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| 56. | Gradually, nearly all the beads migrated through the ratchet and into the upper part of the dish, leaving |
| 最后，几乎所有的小珠都会穿过棘轮而移到盆子的上半部，而「布」下只剩下乾净的清水。 |
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| 57. | ratchet writing |
| 棘齿写入法 |
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| 58. | crankshaft ratchet |
| 曲轴棘爪 |
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| 59. | ratchet cylinder |
| 棘爪汽缸 |
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| 60. | cone pawl clutch |
| 圆锥棘轮离合器 |
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