- 更多网络例句与硬质地层相关的网络例句 [注：此内容来源于网络，仅供参考]
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A hardened soil horizon, usually in the middle or lower part of a soil profile, A hardpen is typical of PODSOLS, where iron compounds leached from the upper layers accumulate in the B horizon, staining it red-brown and forming an impermeable layer that can prevent drainage, resulting the in waterlogging of higher horizons.
硬质地层是一种典型的灰壤，其中铁的化合物从上层土壤中渗出，在 B 层中聚集，使得土壤呈现棕红色，构成了极难透过水的土层，这种地层的存在使上层的土层更易发生水涝。
- 更多网络解释与硬质地层相关的网络解释 [注：此内容来源于网络，仅供参考]
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spoor：痕迹,足迹;循着足迹追踪
hardpan(软土下面的)硬质地层,粘土层,砂砾层 | spoor痕迹,足迹;循着足迹追踪 | imprint留下烙印