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71. | back pressure washing |
| 回压冲洗 |
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72. | irrigating cystoscope |
| 冲洗膀胱镜 |
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73. | colour print processing chemica |
| 彩色照片冲洗药 |
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74. | automatic back flushing |
| 自动回流冲洗 |
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75. | freshwater preflush |
| 淡水预冲洗 |
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76. | automatic flush tank |
| 自动冲洗箱 |
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77. | flusher cleaning attachment |
| 冲洗[清洁]装置 |
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78. | crankcase conditioning oil |
| 曲轴箱冲洗用油 |
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79. | rinsing of drums |
| 桶的冲洗 |
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80. | root canal irrigatio |
| 根管冲洗 |
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