1.
The origin of the Pleistocene gravel in western Sichuan depression
川西凹陷地区更新统砾石层沉积成因探讨
2.
The Synthesis Study of the Sedimentation Environment about the Pleistocene Gravel Stratum in Mingshan-Danleng;
名山—丹棱地区更新统砾石层沉积环境多元信息分析
3.
formation-to-gravel size ratio
地层砂与砾石粒度比
4.
gravel to sand size ratio
砾石-地层砂粒度比
5.
gravel-to-sand median diameter ratio
砾石-地层砂直径中值比
6.
multiple zone open hole gravel pack
多层裸眼井砾石充填
7.
Early Man and Pleistocene Stratigraphy in Southern and Eastern Asia by Hallam L, Movins Jr.
亚洲东南化石人及更新统地层莫维士著
8.
New development in construction technology of concrete cut-off wall in deep overburden of sand gravels
深厚砂砾石覆盖层混凝土防渗墙施工技术的新进展
9.
ESR Stratigraphically Chronological Study of the Gravel Layer in Yangluo Town,Wuhan City
武汉阳逻砾石层ESR地层年代学研究
10.
More gravel is needed to fill the hollow in the drive.
需要更多的砾石来填平车道上的坑洼。
11.
median pack-to-formaton grainsize ratio
充填砾石与地层砂粒度中值比
12.
packerless single selective gravelpacked completion
无封隔器的单层选择性砾石充填完井
13.
solid gravel seal
密实的砾石充填层间密封
14.
Reinforcing this layer by grunting mode is introduced.
介绍采用注浆方式来加固砂卵（砾）石层。
15.
A layer of coarse gravel is often placed around the drain tile.
常常在排水瓦管周围铺一层粗石砾。
16.
Construction Technology of Curtain Grouting of Deep Gravel Layer
深厚砂砾石层防渗帷幕灌浆施工技术
17.
gravelsand filled perforation tunnel
被砾石与地层砂混合物充填的射孔孔道
18.
Study on Simulation Grouting Experiment in Gravel & Mechanism of Permeating Grouting;
砂卵（砾）石层模拟注浆试验及渗透注浆机理研究