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71. | Stone Pit; Quarry |
| 采石场;岩仓 |
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72. | The river hollows its bank. |
| 河岸因流水而凹陷。 |
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73. | a sag in the seat of the chair |
| 椅子座位部分的凹陷. |
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74. | pit ?plane strain |
| 倒角应力 |
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75. | Pit Tomb Culture |
| 竖穴墓文化 |
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76. | dug-pit latrine |
| 坑式厕所 |
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77. | a bottomless pit |
| 深坑 |
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78. | commissural lip pit |
| 口角小窝 |
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79. | vertical pit furnace |
| 井式炉 |
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80. | foundation pit; trench |
| 基坑 |
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