求翻译：这个特色鲜明的海湾公园建立在 18 米高的垃圾填埋场之上，底层垃圾坑用粘土和30 厘米的表土覆盖，哈格里夫斯在覆土层很薄的垃圾山上小心翼翼地塑造地形，营造大地景观，为了防止植物根部的生长导致粘土层破裂而使有害物质外泄，场地并没有种植高大乔木，而只是采用了乡土浅根系草种。是什么意思？

The distinctive features of the Gulf Park built in the 18 meters above the landfill, the bottom of the garbage pit of clay and 30 cm of topsoil cover, Hargreaves carefully shaping the terrain in the mountains of garbage, as thin overburden layer, creating landscape of the earth, in order to prevent

The distinctive features of the Pelham Bay Park in the 18 meter high landfill garbage pits on top, and the underlying clay and 30 cm of topsoil cover, the Greaves in closing is very thin on the waste mountain terrain, carefully shaping, and create a landscape view, in order to prevent root of plants

This characteristic bright bay park establishment fills in 18 meter high trash buries above the field, the first floor dump pit with the clay and 30 centimeter surface soil covers, Hargreaves in fills in on level very thin Mt. Laji to mold the terrain cautiously, the building earth landscape, in ord

This featured sharp of Gulf Park established in 18 m high of garbage filled buried field above, underlying garbage pit with clay and 30 cm of topsoil cover, Hargreaves in Earth layer is thin of garbage mountain Shang carefully to shaping terrain, create Earth landscape, to prevent plant roots of gro

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