Middle Pleistocene strata: gravel layer; sand, coarse sand interbedded with gravel layers; gravel layers.

Gas productivity prediction for tight sandy gravel formation in the Daqing Oilfield

大庆深部致密砂砾岩含气储层产能预测

High-pressure rotary swing grouting treatment technology for strong permeable sandy gravel complex formation

强透水砂卵石复杂地层的高压旋摆喷灌浆处理技术

Experimental Study of Frost Susceptibility of Sandy Gravel with Different Contents of Fine-grained Soil

不同掺合料砂砾石的冻胀实验研究

Settlement calculation and control analysis of sluice on deeply covered layer of sandy gravel

砂砾石深覆盖层上水闸沉降计算与控制分析彩砂涂料的特性和应用

Construction Measures of the Shield through Shallow Covering Section under Sandy Gravel Formation

砂卵石地层下盾构过浅覆土路段施工技术

Application of sandy gravel replacement for weak subgrade treatment

沙砾石置换层在软弱地基处理中的应用

The method for determining the placement quality of oversized sandy gravel

超径砂卵石填筑质量评价方法

Soft foundation displacement by sandy gravel in construction of small-sized hydropower plant

小型水电站软基础砂卵石置换施工

Measurement of Mechanical Behavior of Sandy Gravel by Use of Pressuremeter

用旁压仪测试砂砾石的力学性质

Application of Sandy Gravel in Drainage Cushion Layer for Soft Road Foundation

砾砂在公路软基排水垫层中的应用

Experimental research on permeability of sandy gravel for dam mass

砂砾石坝料渗透特性试验研究

Stress analysis of arch dam built on sandy gravel foundation

修建在砂砾岩地基上的拱坝应力分析

The Stability Analysis on Sandy Gravel as Road Base

砂砾石作为道路基层的稳定性分析

Test and Construction Technology of Natural Sandy Gravel Used for Subgrade Reclamation

天然砂砾石填筑路基的检测与施工技术

A view of design of sandy gravel filter

砂砾料反滤设计述评

Experimental study on liquefaction characteristics of saturated sandy gravel

饱和砂砾料液化特性的试验研究

Maybe someone can't stand for too much debt of gratitude, which even turns into burden in life.

也许，有些人会因为过多的“人情债”而吃不消，甚至成了生活中的负担。

I owe you a debt of gratitude for all you've done for me.

你为我做了很多，我可是欠了你的人情债了。

I owe him a debt of gratitude for all he has done for me.

我欠他一笔人情债，因为他曾帮过我的忙。

We owe you the greatest debt of gratitude.

我们在此向您表示由衷的感谢。