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| 31. | manually operated counterweight lift |
| 手动平衡重升降机 |
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| 32. | manually charged hydraulic accumulator |
| 人工充液液压蓄电池 |
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| 33. | manually driven amusement device |
| 人力推动娱乐装置 |
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| 34. | manually mechanically propelled lifeboat |
| 人力机械救生艇 |
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| 35. | manually operated amusement ride |
| 手动式游戏机 |
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| 36. | manually-operated spray system |
| 手动飞溅润滑系统 |
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| 37. | manually initiated power release |
| 人工启动的能量释放 |
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| 38. | manually operated plotting board |
| 人工操作的图形板 |
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| 39. | manually resettable fire detector |
| 手动复位火灾探测器 |
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| 40. | manually operated punched card |
| 手控穿孔卡 |
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