In general use a soil-based compost placed over a generous layer of drainage material such as earthenware crocks, pebbles or gravel.

通常在盆栽的底部铺上丰富的排水材料，像陶器碎片、沙砾等，然后在上面铺上土壤。

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Elastomeric seals - material requirements for joint seals used in water and drainage applications - Part 3: cellular materials of vulcanized rubber.

弹性密封件。给水排水用管道连接密封件的材料要求。第3部分：硫化橡胶多孔材料。

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The floors of the bins shall be of concrete or other approved material having sufficient slope to ensure adequate drainage of aggregates before being used for concreting.

料仓的底面应该是混凝土或者其它批准的材料，具有足够的斜度，以保证骨料在用于浇筑之前能足够地排水。

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Lakes also act as a sink for water and material inputs from diverse sources from their surrounding drainage basins.

UNESCO: Summary