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卵石层 [luǎn shí céng]
[地质] pebble bed
- 拦河坝砼防渗墙多在砂层与砂卵石层上施工。
The seepage cut -off wall for the river-crossing dam is usually installed in the sand and the sandy gravel. - 适用于各种软土、粘性土、砂类土、碎石土、强风化岩、卵石层等。
Suitable for various layer of soil, clay, sandy stratum, intensive weathered layer, and pebble bed. - 县城位于渭河南岸二级阶地上，主要为第四系地层，上部以黄土主，下部为砂砾卵石层。
The south bank of Weihe River is located in the county two bands on the ground, mainly of Quaternary stratigraphy, loess in the upper part of the main, the lower part of gravel for the gravel layer.
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