hardpan
hardpan漢語翻譯
hardpan英語解釋
名詞 hardpan:
- crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions同義詞:caliche
hardpan詳細(xì)解釋
hard.pan
n.(名詞)A layer of hard subsoil or clay.Also called caliche 硬質(zhì)地層也作 calicheHard, unbroken ground.硬地A foundation; bedrock.堅(jiān)固的基礎(chǔ);基本事實(shí)