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Terms for subject Ecology containing perforated pipe | all forms | exact matches only | in specified order only
| English | Chinese |
| perforated- pipe distributor | 多孔管布水器 |
| perforated- pipe distributor | 穿孔管布水器 |
| perforated-pipe underdrain | 穿孔管底部排水管 |
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| English | Chinese |
| perforated- pipe distributor | 多孔管布水器 |
| perforated- pipe distributor | 穿孔管布水器 |
| perforated-pipe underdrain | 穿孔管底部排水管 |