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- Gravelly-sand over an iron-pan and gravel layer. 沙砾覆于铁质土层与砂砾层之上。
- Jiudequcai structure, to Reed, Hongliu, P. euphratica, such as RPM and gravel layers of ApocynumTsukiji. 结构为就地取材,以芦苇,红柳,胡杨和罗布麻等夹砂砾石层层夯筑。
- Placer tin deposit in Xupu occurs in alluvial sediment of Quatemary SyStem and CaSSiterite chiefly concentrates at the bottom of Gravel layers. 溆浦砂锡矿床赋存在第四系冲积层中,锡石主要富集在底部砂砾石层。
- The conclusion is that the high-pressure gunite technique applied to 30 m thick of sand and gravel layer is feasible. 通过本次经验为在深厚层砂卵砾石层中进行高喷灌浆施工提供借鉴。
- Karez water is leaking through the mountain snow water flow inside the gravel layer of diving. 坎儿井的水源就是山上的雪水经过渗漏流砾石层里的潜水。
- To demonstrate the impermeability of the bottom gravel layer, its distregulation and lithology are analyzed and studied. 第四纪底砾层直接覆盖在谢桥煤矿煤系地层之上,其隔水性能影响到防水煤柱的合理留设。
- Diamond Drilling in Deep Sand and Gravel Layers 深厚砂卵砾石层金刚石钻探施工技术和工艺
- sandy gravel layer on the riverbed 河床覆盖层
- A waterproof grouting technique for sand and gravel layers 砂卵石层防治水注浆技术
- My father scratched gravel for Shanghai last night. 我父亲昨晚匆匆忙忙去了上海。
- Construction of EPB Shield Passing through Gravel Layer 穿越全断面砾石层的盾构施工
- The road is covered with gravel. 这路用砾石铺成。
- We bumped up and down along the gravel path. 我们沿砾石小路颠簸而行。
- A skilled person can split slate into layers. 手巧的人能把板岩剖成片。
- High Pressure Grouting Anti-seepage Technique in Gravel Layer 卵漂石层高喷防渗施工工艺
- There are several layers of meaning. 有几层不同的含意。
- The gravel ingredient of concrete. 石碴组成混凝土的砂料
- Layered gravel and charcoal to make a filter. 将砂砾和木炭分层以做成过滤器
- The growth of successive layers of a cell wall. 敷着,附着细胞壁连续层的生长
- Application of High Pressure Grouting Techniques to Gravel Layer 高压定喷灌浆工艺在砾石层中的应用