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| 91. | pit type grinding |
| 有坑磨木法 |
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| 92. | mud setting pit |
| 泥浆沉淀槽 |
|
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| 93. | smooth pit peach |
| 光核桃 |
|
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| 94. | reception pit [manure] |
| 集粪池 |
|
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| 95. | secondary soil pit |
| 补助剖面 |
|
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| 96. | pit prospecting method |
| 矿坑勘探法 |
|
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| 97. | pit bull terrier |
| 美国斗牛? |
|
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| 98. | pit-volume recoder |
| 泥浆池泥浆量记录仪 |
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| 99. | pit drainage pump |
| 矿山排水泵 |
|
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| 100. | recuperative soaking pit |
| 换热式均热炉 |
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