| environ. | 衬垫材料 | liner material A layer of synthetic or natural materials, on the sides of or beneath a landfill, landfill cell or surface impoundment, that restricts the downward or lateral escape of liquids carrying leachate into the surrounding environment (一层天然或人造材料，位于垃圾填埋场、垃圾填埋场单元或地面存储的四周或下方，这限制了沥出的液体向下或向四周渗透到周围的环境。) |
