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| 81. | underground drain |
| 地下排水管；地下渠道 |
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| 82. | shifted channel |
| 改河渠道 |
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| 83. | safe velocity of canal |
| 渠道安全流速 |
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| 84. | drainage connection system |
| 排水渠道接驳系统 |
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| 85. | canal appurtenances |
| 渠道附属设施 |
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| 86. | unbar the channels of trade |
| 使贸易渠道畅通 |
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| 87. | channels of information transmission |
| 情报传递渠道 |
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| 88. | sources, channels of revenue |
| 岁入的来源、 渠道 |
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| 89. | To direct through a channel. |
| 通过渠道引导 |
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| 90. | canal concrete paver |
| 渠道混凝土浇筑机 |
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