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51. | comparison lever |
| 比较杠杆 |
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52. | disengager lever |
| 选别器手柄|断开器手柄|断开器杆 |
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53. | direction lever |
| 方向杆 |
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54. | footstock lever |
| 踏杆 |
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55. | directional lever |
| 方向手柄 |
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56. | counterbalance lever |
| 平衡锤杆|重锤杆 |
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57. | lever indicator |
| 杠杆式指示计 |
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58. | equalizer lever |
| 均衡杠杆 |
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59. | lever principle |
| 杠杆原理 |
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60. | itinerary lever |
| 电锁闭控制杆 |
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