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| 71. | Give the pail a good swill (out). |
| 好好冲洗水桶。 |
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| 72. | root canal irrigatio |
| 根管冲洗 |
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| 73. | tidal flushing channel |
| 潮水冲洗渠 |
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| 74. | multi-stage method of washing |
| 多级性冲洗 |
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| 75. | schedule for leaching of saline-alkali soil |
| 盐碱地冲洗制度 |
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| 76. | trephination and irrigation |
| 钻孔冲洗术 |
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| 77. | automatic back flushing |
| 自动回流冲洗 |
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| 78. | rinser dryer system |
| 冲洗 干燥系统 |
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| 79. | perforation washing tool |
| 炮眼冲洗工具 |
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| 80. | backward backwash |
| 尾流喷流冲洗 |
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