1.
Countermeasure to Overcome Sinking when Construction of Open Caisson in Upper-soft and Lower-hard Soil Horizon
上软下硬土层中沉井施工时克服阻沉的对策
2.
Application of SH wave reflection method in researching the transitional change of hardpan in the eastern and western Shanghai
横波反射法在研究上海东西部硬土层过渡变化中的应用
3.
and they did not cut the scarred earth.
雨水并冲裂结了一层硬壳的土地。
4.
The Application of composite pile foundation in deep soft Soil with a relative hard lager
相对硬层作持力层的桩复合基础在巨厚软土层中的应用
5.
If there had not been a hard layer of rock beneath the soil,
如果不是因为土壤下面有一层坚硬的岩石，
6.
Study on Blasting Techniques of Oblique Well in Stiff-plastic Red Clay
硬塑性红粘土层斜井高效爆破技术研究
7.
On the very outside of the earth is a bumpy crust of rock and soil.
地球的最外层是由岩石和土壤构成的凹凸不平的硬壳，
8.
crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions.
干旱或半干旱地区的底土因碳酸钙作用而形成的硬层。
9.
The harder the material under the permafrost is, the larger the chamber charge required.
永冻层之下的土壤越硬，所需要的药室装药量也越大。
10.
Hard strata transmit shock waves more efficiently than loose earth.
质地坚硬的岩层传播震波的效率比松软的土壤高。
11.
Model Tests and Numerical Study for Engineering Properties of Soft Subsoil with upper Crust;
上覆硬壳层软土地基的工程特性试验研究及数值分析
12.
Research on the Material for HGT and Construction Technology of Slip-form Paving
水硬性混凝土支承层材料及滑模摊铺施工技术研究
13.
Microhardness of RE-boron-vanadizing layer decreases for the influence of ihrigizing,and its hardness gradient is less.
稀土硼钒共渗层显微硬度受渗入硅的影响而减小,同时硬度梯度也较小;
14.
Dig where it's soft;build where it's hard.
软土好起土，硬处好打墙。
15.
On that bleak hill top the earth was hard with a black frost, and the air made me shiver through every limb.
在那荒凉的山顶上，土地由于结了一层黑冰而冻得坚硬，冷空气使我四肢发抖。
16.
form a crust or a hard layer.
形成一个硬壳或坚硬的层。
17.
Microstructure and Superhardness Effect of the Hard Nano-multilayer Films;
硬质纳米多层膜的微结构与超硬效应
18.
hard facing of tool joint
钻杆接头表面加硬层