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51. | precipitation form |
| 沉淀形 |
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52. | delayed precipitatio |
| 延迟沉淀 |
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53. | oxygen precipitation |
| 氧沉淀 |
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54. | visibility of precipitates |
| 沉淀可见度 |
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55. | photochemical precipitation |
| 光化沉淀 |
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56. | precipitating ion |
| 沉淀离子 |
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57. | precipiation cone |
| 沉淀圆锥 |
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58. | precipitation separation |
| 沉淀分离法 |
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59. | precipitating antibody |
| 沉淀抗体 |
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60. | settlement basin |
| 沉淀塘 |
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