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41. | ratchet wheel ring |
| 大钢轮衬圈 |
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42. | socket ratchet wrench |
| 套筒棘轮扳手 |
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43. | rescue ratchet assembly |
| 抢救棘轮组合 |
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44. | running ratchet trai |
| 回转棘轮装置 |
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45. | stationary ratchet train |
| 固定棘轮系 |
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46. | ratchet wheel key |
| 棘轮键 |
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47. | bottom ratchet wheel |
| (手制动)下棘轮 |
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48. | ratchet wheel screw |
| 大钢轮螺钉 |
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49. | ratchet roller clutch |
| 棘轮滚筒离合器 |
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50. | ratchet blocking system |
| 棘轮闭锁装置 |
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