ravelly ground meaning in English
破碎地层
松散岩层
Examples
- Destructive study of the cover rock relating to the fully mechanized mining with caving method under ravelly ground and nappe
松散层及推覆体下综放开采覆岩破坏研究 - The major diameter filling pile drilling machine of qj250 - 1 type applies to major diameter bridge pier hole of various geologic conditions such as ravelly ground , clay loam layer , sandy gravel , breaking layer and lithosphere as well as other various major diameter pore forming construction
1型大直径灌注桩钻孔机适用于松散地层、粘泥层、砂砾层、破碎层和岩石层等多种地质条件的大直径桥桩孔，以及其它各种大直径成孔施工。