硬磐

硬磐
yìngpán
(1) [duripan]∶一种矿质土壤层, 其特点是具有二氧化硅的胶结作用
(2) [orterde]∶在铁和有机物质间没有胶结物或胶结物很少的土层

Advanced Chinese dictionary. 2013.

Игры ⚽ Поможем написать курсовую

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