Reserch on anti-cracking function of big-size gravel;
水泥稳定大粒径砾石的抗裂性能研究
Looks into in the way of the performance on the gravel flexible primary level asphalt pavement route;
砾石柔性基层沥青路面路用性能调查
Uplift of Lüliang Mountains and Evolution of Huanghe River-Evidence from Gravel Beds in Piedmont
从山前砾石看黄河形成与吕梁山隆升
The influence of rock fragments on the characteristics of macropore and water effluent of forest soils in the Liupan Mountains,Northwest China;
六盘山森林土壤的石砾对土壤大孔隙特征及出流速率的影响
The occurrence of plentiful rock fragments embedded in the soil has a very important role in the formation of macropore in the Liupan Mountains of Northwest,China.
六盘山山区土壤中存在大量的石砾,对土壤大孔隙的形成具有重要影响。
ThesePaleolithictoolsareidentifiedin thegraveltooltraditionin SouthChina,anddated to thelatephaseof theEarlyPaleolithicAgeto theMiddlePaleolithicAge.
本文对沅水下游17个地点的旧石器的地理埋藏、自然环境、文化面貌、时代特征进行了分析,并与相邻的澧水文化类群和氵舞水文化类群进行了比较,认为这批旧石器的时代为旧石器时代早期偏晚至旧石器时代中期,属华南砾石石器传统,并指出沅水下游旧石器属于澧水文化类群,兼具澧水、氵舞水两大文化类群之间的某些过渡性特征。
The components to be considered in this book include boulders, gravel, sand, silt and clay.
本书所考虑的组成部分包括漂砾,砾石,砂,粉土和粘土。
The top of the flow were armoured with boulders.
泥石流的顶部布满了漂砾。
The snout and the top of the flow behind the snout, typically were armoured with boulders.
泥石流的鼻部及鼻后的顶部都布满了漂砾。
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
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
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
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。
unstratified soil deposited by a glacier; consists of sand and clay and gravel and boulders mixed together.
冰河沉淀形成的不分层的土壤,由沙、粘土、砂砾和漂石混合而成。
Some investigators maintain that large boulders must be supported by turbulence within a viscous debris flow.
有些调查者认为大漂砾是通过粘性泥石流中的涡流搬运的。
formation-to-gravel size ratio
地层砂与砾石粒度比
gravel fluid mixture
砾石与液体的混合物
gravel-slot combination
砾石与割缝的尺寸组合
rathole gravel slurry
井底口袋内的砾石砂浆
surface gravel pack
地面倾倒式砾石充填
GP shear-out safety joint
砾石充填剪切安全接头
offshore gravel packing operation
海洋油井砾石充填作业
down-ward progression of gravel
砾石逐渐向下充填推进
nondamaging gravel packing fluid
不污染的砾石充填液