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71. | pneumatic cleaning |
| 气流式清选 |
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72. | pneumatic barrier |
| 气动隔板 |
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73. | pneumatic brake |
| 风闸|气压制动器 |
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74. | pneumatic deicer |
| 气动除冰设备 |
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75. | pneumatic bumper |
| 气压减震器 |
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76. | pneumatic circuit |
| 气压系统|气动回路 |
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77. | pneumatic charging |
| 风力装药 |
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78. | Pneumatic conveyors |
| 气动传送带 |
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79. | pneumatic chuck |
| 气动式夹桩器 |
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80. | pneumatic element |
| 气动元件 |
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