中央华盛顿大学的地质学家卡尔·利尔奎斯特认为,这些骨骼化石曾被堆积在溪流沙砾层的顶部,后来又被一场泥流所淹没。
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The Cornus officinalis more is fit for in growing on the stone medium light loam of gravel content.
在满足土壤肥力和地貌条件之外,山茱萸更适合于在石砾含量中等的轻壤土上生长。
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Test and Construction Technology of Natural Sandy Gravel Used for Subgrade Reclamation
天然砂砾石填筑路基的检测与施工技术
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Application of Sandy Gravel in Drainage Cushion Layer for Soft Road Foundation
砾砂在公路软基排水垫层中的应用
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Construction Measures of the Shield through Shallow Covering Section under Sandy Gravel Formation
砂卵石地层下盾构过浅覆土路段施工技术
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Settlement calculation and control analysis of sluice on deeply covered layer of sandy gravel
砂砾石深覆盖层上水闸沉降计算与控制分析彩砂涂料的特性和应用
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强透水砂卵石复杂地层的高压旋摆喷灌浆处理技术
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Gas productivity prediction for tight sandy gravel formation in the Daqing Oilfield
大庆深部致密砂砾岩含气储层产能预测
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