The earth dam of Houlonghe reservoir are built with gravelly coarse sand bed as dam base, and artificially filled in gravelly coarse sand as upstream and downstream sanded shell with loose structure, which cannot meet the needs of earthquake-resistance.
后龙河水库坝基为砾质粗砂层,上、下游砂壳为人工堆填的砾质粗砂,结构松散,多数不满足抗震要求。
Application of gunite pile technique to layer of coarse and gravelly sand
喷浆桩技术在粗砂砾砂地层中的应用
Minute rough granules, as of sand or stone.
砂，砂砾，砂粒细小的粗颗粒，如砂和石头粒
"Clay, silt, sand, and gravel. "
粘土，粉砂，砂土和砾石。
Coarse gravel or crushed rock laid to form a bed for roads or railroads.
道碴用来铺公路或铁路路基的粗砂砾或碎石
formation-to-gravel size ratio
地层砂与砾石粒度比
made of packed earth or gravel.
填满了泥土或砂砾的。
rathole gravel slurry
井底口袋内的砾石砂浆
gravel to sand size ratio
砾石-地层砂粒度比
gravel-to-sand median diameter ratio
砾石-地层砂直径中值比
Footsteps were grating upon the gravel
脚踏在砂砾上沙沙作响。
double pot gravel pack mixing unit
砾石充填双罐混砂装置
in the west sea area of the Bashi Channel, the coarse sediments are dominated with sandstone rock and gravel;
巴士海峡以西海区沉积物较粗,常含砂岩块和砾石;
Sandstone and conglomerate are the consolidated equivalent of sand and gravel.
砂岩和砾岩分别是砂和砾石固结的产物。
sluice ore,ie to separate it from gravel,etc
冲洗矿砂（使之与砂砾等分开）
It is proved that the technique is feasible in the coarse and gravel sands by testing and construction the gunite pile technique.
通过喷浆桩的试验及施工,说明该项技术应用于粗砂、砾砂地层中是可行的。
The channel is filled with noncompactible sand, or with sand and gravel.
水道内由不可压实的砂或砂砾物质充填。
Then he dumped some gravel in and shook the jar, causing pieces of gravel to work themselves down into the space between the big rock.
他把一些砂砾倒进瓦罐，然后摇了摇，这些砂砾便渗进石块的缝隙中。
Test Study and Numerical Simulation on Wetting Deformation of Gravel Sand;
砂砾石料浸水变形特性研究及砂砾石坝蓄水变形的数值模拟