1.
gravel to sand size ratio
砾石-地层砂粒度比
2.
median pack-to-formaton grainsize ratio
充填砾石与地层砂粒度中值比
3.
pack-to-formation median grain size ratio
充填物与地层砂粒度中值比
4.
formation-to-gravel size ratio
地层砂与砾石粒度比
5.
TEST AND RESEARCH ON PORE-FORMING TECHNIQUES ON DUCTULE LARGE PARTICLE SANDY COBBLE STRATUM
大粒径砂卵石地层小导管成孔技术试验研究
6.
Design of a Shield Driving in Water-saturated Cobble and Sand Stratum with High Content of Large-grain Cobbles
卵石含量高、粒径大的富水砂卵石地层中盾构机选型研究
7.
The coarsest sandstones intercalated with grey mudstones.
最粗粒砂岩与灰色泥岩成互层。
8.
resin-sand coupling chemical
树脂-地层砂偶联剂
9.
gravel-to-sand median diameter ratio
砾石-地层砂直径中值比
10.
partially sand packed perforation
地层砂部分充填的炮眼
11.
phenolic sand consolidation
酚醛树脂地层砂胶结
12.
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
13.
Sandy soils along the coast have relatively large spaces between the sand grains.
沿海地区的砂质土壤，砂粒间的空隙也相对较大。
14.
Study and Application of Reservoir Seismic Prediction Technology in the Thin Sand
薄砂层地震储层预测方法研究与应用
15.
Grain-size characteristics and origin of Longjie silt layer in the Yuanmou area,Yunnan,China
云南元谋龙街粉砂层的粒度特征与成因
16.
Sand Seam Strengthening with Advanced Small Pipe by Grouting Sand Consolidating Agent in Tunneling
地铁穿越砂层超前短导管固砂剂加固施工技术
17.
2.16 The brief target oil and gas zone are from 2300 to 2500 meters. The formation is:sand, sand-stone, shale cross.
主要目的油气层在2300到2500米，其地层岩性为：砂岩、砂砾岩和泥岩互层。
18.
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