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91. | drainage engineer |
| 排水工程师 |
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92. | marshland drainage |
| 沼泽地排水 |
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93. | wastewater collection system |
| 排水体制 |
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94. | drainage indicator |
| 排水指示器 |
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95. | obstacle to drainage |
| 排水障碍 |
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96. | Drainage Coefficient |
| 排水系数 |
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97. | hydathodal cell |
| 排水细胞 |
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98. | drainage equipment |
| 排水施设 |
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99. | imperfect drainage |
| 不完善排水 |
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100. | drainage measure |
| 排水措施 |
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