查询词典 rock-bottom

The rheologic model of soft rock has been discussed, the expansion and rheologic behavior for soft rock has been studied, based on the combination of experiment and numerical analysis.

本文讨论分析了软岩流变模型，通过实验与数值分析相结合，对软岩的膨胀特性及蠕变特性进行了研究，探讨了软岩的膨胀机制，建立了软岩的蠕变模型。

According to the rock beaking theories, the percussion rotary drilling technique is one of the most effective ways to drill hard rock.

冲击回转钻进技术是当前解决硬岩钻进难题最有效的方法之一，将液动冲击回转钻进技术成功地推广应用于油气田勘探钻井中，预期可使硬岩平均钻进效率提高30％～50％，成本下降15％～20％。

Radwaste storage on the deep geological final disposal, the deep rock mass were surrounded by high temperature and stress, it could enlarge the rock fracture, to accelerate the radionuclide transport, affected the accuracy of simulations for groundwater flow and contaminant transport.

放射性废料最终处置采用深地层处置时，其深层岩体承受了高温、高压与复杂之地盘应力，常造成原有岩石裂缝之破坏与延伸，进而由小裂缝成长为大缝隙，不仅加速放射性污染物之传播且影响地下水传输模拟之准确度。

Hard rock and punk-derived music were more commercially successful than the left-of-center pop that dominated late-'80s alternative pop/rock, so alternative lost some of its quirkier tendencies in the '90s.

硬核和复兴朋克音乐变得比导致了80年代后期的另类流行/摇滚的流行乐更能赢得商业市场，因此90年代的另类音乐失去了一些原本另类音乐的本质特征。

Combining traditional DTH hammer with pneumatic rock drill,by reference to the rotational mechanism of rock drill,studies the rotational mechanism of DTH hammer and introduces a new type of DTH hammer that uses backstroke energy of piston to drive drill to rotate.

将传统的潜孔锤与凿岩机相结合，研究了潜孔锤孔底回转机构，介绍了一种新型的潜孔锤。

Roadheader is a part profile tunnel boring machine which can excavate,convey rock blocks and walk by itself. It is very suitable to excavate soft-rock tunnel.

臂式掘进机是一种集开挖、装碴和自动行走于一体的部分断面隧道掘进机，它非常适用于软岩隧道的掘进。

Rural rich in mineral resources, mainly gold, silver, copper, iron, mica, rock crystal, feldspar, granite, quartz rock, and so on more than 10 varieties have been developed into a major iron ore is processed and asbestos products.

乡内矿产资源丰富，主要有金、银、铜、铁、云母、水晶石、长石、花岗石、石英石等十多个品种，目前已进开发的主要是铁矿石加工和石棉制品。

Pilot core processing devices designed and role is removed from the core for rock mechanics studies, and thus a more perfect, rational and broken rock mechanics research studies and three roller bits work for the design and improvement of the provision of the necessary bits of information.

试验岩芯加工装置的设计目的和作用是从岩石中取出岩芯以供力学研究，从而建立更加完美的，合理的岩石破碎学研究和牙轮的工作力学研究，为钻头的设计和改进提供必要的信息。

According to disadvantages of common wool rock plate for indoor flase ceiling, the company develops reinforced rock wool powder coated steel sandwich plate for false ceiling also applicable for partition of wall, insulation material employs paper (aluminum honeycomb.

针对普通岩棉板的室内吊顶的诸多缺点，窝公司开发了系列加强型岩棉彩钢板夹心吊顶用板（也可适用于墙体隔断，芯材也可用纸蜂窝。

Up in the mountains are clear lakes, quick-moving small rivers, and huge formations of rock. One huge rock is called Half Dome. It rises more than two thousand seven hundred meters into the air.

在山中，有清蓝的湖泊、有快速流动的小河流，还有巨大的岩石群，其中一个最大的岩石叫半圆丘，它高达2700米，直插云宵。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。