|
51. | reception pit [manure] |
| 集粪池 |
|
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52. | secondary soil pit |
| 补助剖面 |
|
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53. | pit bull terrier |
| 美国斗牛? |
|
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54. | apple bitter pit |
| 苹果苦陷病 |
|
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55. | pit drainage pump |
| 矿山排水泵 |
|
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56. | pit-volume recoder |
| 泥浆池泥浆量记录仪 |
|
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57. | pit prospecting method |
| 矿坑勘探法 |
|
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58. | recuperative soaking pit |
| 换热式均热炉 |
|
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59. | pit type grinding |
| 有坑磨木法 |
|
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60. | piciform pit pair |
| 云杉型纹孔对 |
|
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