砂砾层 meaning in Chinese
gravel bed
hardpan
sandy gravel stratum
Examples
- Gravelly - sand over an iron - pan and gravel layer
沙砾覆于铁质土层与砂砾层之上。 - An area covered by sand and gravel deposited at the front of a glacial moraine
冰川前砂砾层冰河冰渍前沉积的沙及砾石覆盖的区域 - Pebbles and gravel also insulate the soil to keep surface temperatures low and preserve water
小石头、砂砾层也可用来做隔绝层,以保持水分,降低土壤的温度。 - Indeed , the jack hills zircons ? separated by perhaps thousands of kilometers from their source ? were found embedded in a fossilized gravel bar called the jack hills conglomerate
事实上,在杰克丘发现的锆石,就是深埋在名为杰克丘砾岩的化石砂砾层里,而它们很可能是从几千公里远的地方被带到那里的。 - 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。