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| 71. | rhinarium sensory pit |
| 嗅觉陷 |
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| 72. | section valve pit |
| 分段喉阀井；分段闸掣井 |
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| 73. | meter pit flooded |
| 表井水浸 |
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| 74. | open pit quarry |
| 露天矿场 |
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| 75. | outer pit aperture |
| 纹孔外口 |
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| 76. | river crossing pit |
| 河流穿越坑 |
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| 77. | soaking pit crane |
| 夹钳起重机|深井炉起重机|均热炉的钳式吊车 |
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| 78. | cyclone cellar [ pit ] |
| [美](草原地带的)旋风避难穴;逃避处 |
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| 79. | shallow manure pit |
| 浅粪坑 |
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| 80. | open pit survey |
| 露天矿井测量 |
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