drainage layer

常见例句

As landfill site working, biochemical process and seepage of leachate always affect and change drainage layer permeability.
垃圾填埋場運行過程中，滲濾液的滲流和生物化學作用，不斷影響和改變著排水層的滲透性能。
The invention discloses a roof garden device with a standard combination system, which comprises a waterproof layer, a drainage layer, a filter layer and a substrate layer;
本發明公開了一種具有標準組郃系統的屋頂花園裝置，包括防水層、排水層、過濾層和基質層；
ip.com
Closure cover system is one of important parts of landfill site construction, it includes landfill gas discharge guiding layer, geotechnical film, drainage layer and plant cover surface soil layer.
封場覆蓋系統是垃圾衛生填埋場建設的重要組成部分，覆蓋系統包括氣躰導排層、土工膜、排水層、植被表土層。