hardground是什么意思

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用法例句

Experimental study of effect of chemical corrosion on strength and deformation of hard brittle limestone

化学侵蚀下硬脆性灰岩变形和强度特性的试验研究

In this paper analyze a great deal of practice datum,know hard stratum has important effect in rock moving application statistic method.

在整理和分析大量实测资料的基础上,应用数理统计的方法对覆岩中硬岩层对岩移参数的影响进行了研究,找出了岩层移动参数的影响因素与统计规律,对开采沉陷的进一步研究具有重要的意义。

Experimental study of effect of chemical corrosion on strength and deformation of hard brittle limestone

化学侵蚀下硬脆性灰岩变形和强度特性的试验研究

Simulation of Rockburst in Hard and Brittle Surrounding Rocks of Circular Underground Cavern

圆形地下洞室坚硬脆性围岩岩爆的模拟

Study on the Brittle-Ductile Shearing Zones in the Qixia Limestone in Northern Chaohu

巢北栖霞灰岩中的脆韧性剪切构造的研究

Study on Water Based Fluids Suitable for the Hard Brittle Shale Formations

适用于硬脆性泥页岩地层的水基钻井液技术研究

Study on Model and Stability of Surrounding Rock of Large Underground Caverns under High Geo-Stress Condition;

高地应力下硬岩弹脆塑性劣化本构模型与大型地下洞室群围岩稳定性分析

A light - colored tuff used in hydraulic cement.

粗面凝灰岩一种用来生产硬水泥的淡色凝灰岩

a hard brittle gray polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals.

硬而脆的灰色多价金属元素，与铁相似但无磁性，用于制钢，存在与许多矿物中。

On the Value of Local Knowledge in Maintaining a Weak Ecological System--Taking the Ecological Salvation of Stone Desert in the Limestone Mountainous Areas as an Example;

论地方性知识在脆弱生态系统维护中的价值——以石灰岩山区“石漠化”生态救治为例

Study on Continuum Damage of the Tunnel Brittle-Quasibrittle Surrounding Rocks;

隧道脆性—准脆性围岩连续损伤特征研究

Research on Coefficent of Brittle Stress Drop of Brittle-plastic Rocks

脆塑性岩石应力脆性跌落系数的试验研究

Kentish rag

肯特郡产坚硬砂质石灰岩

Characteristics of Small Hole Grinding for Hard and Brittle Materials;

硬脆材料小直径内圆磨削特性的研究

The Ecosystem Frangibility Analysis of Karst Region in Chongqing

重庆市岩溶地区生态系统脆弱性分析

A hard, crisp biscuit.

脆饼干一种脆硬的饼干

a hard brittle blue-gray or blue-black metallic element that is one of the platinum metals; the heaviest metal known.

一种硬而脆的蓝灰色或蓝黑色金属元素，铂系金属，已知最重的金属。

Plastic Damage of Mylonite Parent Rock and the Numerical Simulation of Porous Media Brittle Crush;

糜棱岩原岩韧性孔洞损伤和多孔介质脆性破碎过程数值模拟

Fragility of Hard Anodized Film of Al and Its alloys and Countemeasures;

铝及铝合金硬质阳极氧化膜层的脆性及其对策

Study on Edge-chipping of Brittle and Hard Materials in Rotary Ultrasonic Machining

旋转超声加工硬脆性材料中边缘破损的研究