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91. | pit drainage pump |
| 矿山排水泵 |
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92. | working pit edge |
| 工作帮 |
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93. | mountain pit-viper |
| 山铬铁头蛇 |
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94. | pit type grinding |
| 有坑磨木法 |
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95. | mud setting pit |
| 泥浆沉淀槽 |
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96. | pit bull terrier |
| 美国斗牛? |
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97. | smooth pit peach |
| 光核桃 |
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98. | pit prospecting method |
| 矿坑勘探法 |
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99. | secondary soil pit |
| 补助剖面 |
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100. | pit-volume recoder |
| 泥浆池泥浆量记录仪 |
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