A frog is unknown, and freeze in an ore bed of 2 meters to depth, and dig that skin is still flexible at time; and the; plant it, and there is much luster, and have it, and pass by the Empress ability death on 2nd.

青蛙被埋在2米深的礦層內(nèi)久久久丰满老熟妇，挖掘出來時(shí)皮膚還是柔軟的，且富有光澤国产热情网站，經(jīng)過兩天后才死去中老年女人A片。

After study on technical mineralogy properties of the upper and deep layers of an iron ore bed in Anshan ,mineral processing tests were tried out.

在分析鞍山某鐵礦床上部礦體和深部礦體礦石的工藝礦物學(xué)特征的基礎(chǔ)上，進(jìn)行了選礦探索試驗(yàn)研究久久国产精品免费一区二区三，首次針對(duì)同一礦床不同深度礦體采用不同工藝流程国产日韩成人香蕉软件，取得了較好的選別指標(biāo)，為該鐵礦床的全面開發(fā)利用提供了科學(xué)依據(jù)色色中文网。

For the sake of most coefficient use of exploration fund, it demand to input the seismic work capacity to the fault trough where there may be ore bed as best as may.

為了最大效率地使用勘探經(jīng)費(fèi)538视频在线播放欧美，要求施工中盡可能把地震工作量投入到可能有礦層賦存的地塹內(nèi)。

Sources of large and super-large nonferrous metals deposits are explained with "liquid source ore bed".

中文摘要：文章從地體的形成與拼貼方面討論了湖南省5個(gè)構(gòu)造地層地體的劃分欧美大片免费网站黄，根據(jù)各地體的成礦特征不同欧美成三级，按元素組合歸納出五大有色多金屬成礦系列，引用&液態(tài)礦源層&概念解釋大型小www久久久、超大型礦床的巨量物質(zhì)來源黄色网站男人天堂，認(rèn)為地體邊界斷裂帶和地體內(nèi)深大斷裂控制了有色金屬大型、超大型礦床與礦集區(qū)的分布亚洲欧美裸体一级播放。

Salt mine at Mata, the western part of Weixi salt ore bed, locates in Jinyan county.

馬踏鹽礦該礦位于威西鹽體西部爽到高潮嗷嗷嗷叫视频软件，在井研縣境內(nèi)。該探區(qū)的礦層埋藏深度1500米左右自拍女生裸体自慰，鹽層厚度15米左右国产专区双飞。

In order to determine the optimal shape of interchamber pillars,seven models are established using finite element numerical simulation technique to study the influence of different orebody dip angles and different intersection angles between the normal lines of pillar wall and ore bed on pillar strain and stress .

本文采用有限元數(shù)值模擬技術(shù)，建立了七種模型99reav.，計(jì)算分析了不同礦體傾角及礦柱壁面與礦層面法線夾角的變化對(duì)礦柱應(yīng)力應(yīng)變狀態(tài)的影響无码毛片视频在线看，從而確定出最佳的礦柱形狀。

The ore bed is 4.5-52.55 meters thick ,with the thickest place exceeding 100 meters.

礦層厚度4.5-52.55米国产av精选久久久，最厚上百米丁香六月深婷婷综合五月，礦石含氧化鎂

Based on the "surface mine long term planing model" the stepwise mining limit optimization model has been set up for inclined ore bed. The model has been used to simulate the stepwise mining of Qidashan Iron Mine.

運(yùn)用該模型對(duì)齊大山露天鐵礦進(jìn)行了分期開采模擬計(jì)算，其模擬結(jié)果為齊大山鐵礦分期境界設(shè)計(jì)提供了科學(xué)的依據(jù)一级片黄色网址。

Platinum-group elements is enriched in the metal-rich shale, especiallyin Mo ore bed of the black shale series.

結(jié)果表明，鉑族元素在黑色巖系多金屬元素富集層婷婷丁香五月综合中文字幕，特別是鉬礦層中得到富集在线色av。

Salt mine at Nuocheng, the southern part of Weixi salt ore bed, locates in Qianwei county.

羅城鹽礦該礦位于威西鹽體南緣，在犍為縣境內(nèi)火热福利视频导航。