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| 71. | ground phosphorite |
| 磷灰石粉 |
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| 72. | ground indicator |
| 地面指示器 |
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| 73. | ground instrumentation |
| 地面仪表设备 |
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| 74. | ground screening |
| 麸皮粉 |
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| 75. | ground insulation |
| 对地绝缘 |
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| 76. | ground observation |
| 野外勘察 |
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| | |
| 77. | ground junction |
| 接地结 |
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| 78. | ground pressure |
| 地面压强 |
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| | |
| 79. | ground meristem |
| 基本分生组织 |
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| 80. | ground signalling |
| 接地信号 |
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