... 滤水垫层 filter blanket 排水垫层 drainage blanket; draining bed 水垫床原理 water cushion principle ...
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sludge draining bed 污泥排水床
·2,447,543篇论文数据，部分数据来源于NoteExpress
The government is distributing bed nets, draining mosquito breeding grounds and spraying huts with DDT to kill mosquitos.
NPR: Gates Foundation Backs Zambian Malaria Initiative
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