1.
Characteristics of Quaternary Quartz Gravel in Donghai, Jiangsu and Its Application;
江苏东海地区第四纪石英砾石类型特征及其应用
2.
The ribbon stones are consisted of different color pebbles such as agate, chalcedony, jasper and quartzite.
纹石系由五颜六色的玛瑙、玉髓、碧玉、石英岩等卵砾所组成。
3.
A rock consisting of pebbles and gravel embedded in cement.
砾岩由水泥固结的卵石和砾石形成的砾岩
4.
The thin-beded siliceous-rocks include chert and depositional quartz with textures of oolite and pebble.
矽质岩包括燧石和沈积石英岩，呈薄层状产出，沈积石英岩具鲕状、砾状结构。
5.
Crushing Behavior of Quartz Sand-gravel Particles and Its Fractal Features under Confined Compression;
侧限压缩下石英砂砾的颗粒破碎特性及其分形描述
6.
Effects of Gravel on Water Retention Capability of Purple Gravelly Soils in a Hilly Area
砾石对丘陵紫色砾质土持水性的影响
7.
Study on Water Retention Capability of Purple Rock Fragment Soils in Hills
丘陵紫色砾质土/砾石土持水性研究
8.
Gravel is an unconsolidated mixture of rock fragments or pebbles.
砂砾是砾石岩石碎片或卵石的松散的混合物。
9.
formation-to-gravel size ratio
地层砂与砾石粒度比
10.
gravel fluid mixture
砾石与液体的混合物
11.
gravel-slot combination
砾石与割缝的尺寸组合
12.
rathole gravel slurry
井底口袋内的砾石砂浆
13.
surface gravel pack
地面倾倒式砾石充填
14.
GP shear-out safety joint
砾石充填剪切安全接头
15.
offshore gravel packing operation
海洋油井砾石充填作业
16.
down-ward progression of gravel
砾石逐渐向下充填推进
17.
nondamaging gravel packing fluid
不污染的砾石充填液
18.
gravel to sand size ratio
砾石-地层砂粒度比