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| 51. | coffee grinder;(also coffee-mill) machine for grinding roasted coffee beans |
| 咖啡磨. |
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| 52. | doctor polishing |
| 磨刮刀 |
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| 53. | mill addition method |
| 磨加法 |
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| 54. | headstock of grinding machine |
| 磨床头 |
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| 55. | percolator grinder |
| 渗滤磨 |
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| 56. | correct grinding |
| 精磨 |
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| 57. | polishing slate |
| 磨石片 |
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| 58. | make preparations at the last moment |
| 临阵磨 |
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| 59. | cement grinding mill |
| 水泥磨 |
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| 60. | autogenous grinding |
| 自磨 |
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