gravel envelope是什么意思

网络释义

用法例句

Study on the experiment of the gravel modifying the high liquid limit red clay;

砂砾改良高液限红黏土的试验研究

Through quality control of materials,mixing ratio design,proper mixing,correct compaction and curing,the cement-stabilized gravel cushion satisfies the design and application requirement.

通过原材料质量控制、配合比设计、恰当的拌合、正确的压实工艺和养生,水泥稳定砂砾基层满足了设计和使用要求。

In order to use high liquid limit red clay as embankment fill and aiming at the characteristics of easy crack and poor compactablity and water-stability,test study on gravel- improving method was carried out.

为合理利用高液限红粘土作路堤填料,针对其易开裂、可压实和水稳定性差等特点,开展了砂砾改良试验研究。

L-1)with three kinds of support in vitro to induce to root,which are grit,sponge,and aga.

以非洲菊的无菌芽为试材,分别接种在以砂砾、海绵、琼脂为支撑材料的培养基中诱导生根,并统计移栽成活率。

made of packed earth or gravel.

填满了泥土或砂砾的。

Footsteps were grating upon the gravel

脚踏在砂砾上沙沙作响。

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

sluice ore,ie to separate it from gravel,etc

冲洗矿砂（使之与砂砾等分开）

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

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。

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

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。

Beach pebbles worn smooth by detrition.

海岸上的砂砾被磨得非常光滑

separate dirt or gravel from (precious minerals).

把泥土或砂砾从（宝贵矿物）中分离出来。

acid gritty-textured fruit.

酸的、吃起来有砂砾感的水果。

To apply a surface of rock fragments or pebbles to.

用砂砾铺覆以岩石碎片或卵石的表面

sweet juicy gritty-textured fruit available in many varieties.

甜的、多汁、有砂砾感的水果，品种很多。

THE SANDY CONGLOMERATIC HEAVY OIL RESERVOIR IN BLOCK-2O OF CAOQIAO OIL FIELD AND ITS THERMAL PRODUCTION CHARACTERISTICS

草20块砂砾岩稠油储层及热采特征

"Clay, silt, sand, and gravel. "

粘土，粉砂，砂土和砾石。

formation-to-gravel size ratio

地层砂与砾石粒度比

rathole gravel slurry

井底口袋内的砾石砂浆