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71. | offset lithography |
| 胶印 |
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72. | offset cultivator |
| 偏置式耕耘机 |
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73. | offset drilling |
| 内插钻井 |
|
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74. | temperature offset |
| 温度偏置 |
|
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75. | offset frequency |
| 偏频;偏移频率 |
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76. | Small offset |
| 小形柯式机 |
|
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| |
77. | offset stabilizer |
| 偏置稳定器 |
|
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78. | retarded offset |
| 推迟偏置 |
|
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79. | offset wellhead |
| 偏心套管头 |
|
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80. | rainwater offset |
| 雨水弯管 |
|
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