freepeople性欧美熟妇, 色戒完整版无删减158分钟hd, 无码精品国产vα在线观看DVD, 丰满少妇伦精品无码专区在线观看,艾栗栗与纹身男宾馆3p50分钟,国产AV片在线观看,黑人与美女高潮,18岁女RAPPERDISSSUBS,国产手机在机看影片

正文內(nèi)容

寶元石膏礦主體工程設(shè)計(jì)采礦方法和采空區(qū)處理專題-采礦工程畢業(yè)設(shè)計(jì)說明書(編輯修改稿)

2025-07-11 17:33 本頁面
 

【文章內(nèi)容簡介】 .................................................................. 43 采區(qū)構(gòu)成要素 ........................................................................................... 43 采準(zhǔn)布置 .................................................................................................. 44 切割工程 .................................................................................................. 45 采準(zhǔn)切割工作量計(jì)算 ................................................................................ 45 回采工作 .................................................................................................. 46 礦石損失與貧化 ....................................................................................... 53 采區(qū)的主要技術(shù)經(jīng)濟(jì)指標(biāo)匯總 .................................................................. 54 第六章 采空區(qū)處理(專題) ........................................................................................ 55 石膏礦開采現(xiàn)狀 ................................................................................................. 55 采空區(qū)理論的研究 ............................................................................................. 55 采空區(qū)研究理論 ....................................................................................... 55 采空區(qū)沉陷理論 ....................................................................................... 55 采空區(qū)現(xiàn)狀 ........................................................................................................ 56 采空區(qū)處理 ........................................................................................................ 56 第七章 礦井通風(fēng) .......................................................................................................... 58 通風(fēng)方式和通風(fēng)系統(tǒng)的選擇 ............................................................................... 58 通風(fēng)方式比較: ................................................................................................. 58 通風(fēng)系統(tǒng)的確定 ................................................................................................. 60 風(fēng)量計(jì)算 ........................................................................................................... 60 通風(fēng)阻力計(jì)算 .................................................................................................... 62 礦井通風(fēng)設(shè)備的選型計(jì)算 ................................................................................... 62 礦井通風(fēng)系統(tǒng) .................................................................................................... 63 第八章 礦山機(jī)械 .......................................................................................................... 64 井下運(yùn)輸設(shè)備的計(jì)算選型 ................................................................................... 64 主提升斜井絞車驗(yàn)算 ................................................................................ 64 礦車類型及數(shù)量 ....................................................................................... 66 電機(jī)車型號(hào)及臺(tái)數(shù)的確定 ......................................................................... 66 斜井提升 ........................................................................................................... 66 礦山排水 ........................................................................................................... 67 排水系統(tǒng) .................................................................................................. 67 設(shè)備選型 .................................................................................................. 67 第九章 總圖運(yùn)輸 .......................................................................................................... 69 區(qū)域概況 ........................................................................................................... 69 礦區(qū)地理位置 ........................................................................................... 69 地形特征及氣候 ....................................................................................... 69 礦山現(xiàn)狀 .................................................................................................. 69 總平面的布置 .................................................................................................... 70 主斜井位置的確定 .................................................................................... 70 其他輔助設(shè)施位置的確定 ......................................................................... 70 內(nèi)外部運(yùn)輸 ........................................................................................................ 71 內(nèi)部運(yùn)輸 .................................................................................................. 71 外部運(yùn)輸 .................................................................................................. 71 目錄 VI 第十章 勞動(dòng)安全與工業(yè)衛(wèi)生安全 ................................................................................... 72 .......................................................................................................... 72 .......................................................................................................... 72 ..................................................................................... 72 ........................................................................................ 73 安全出口的安防措施 .............................................................................. 73 地表防塌陷的安防措施 ........................................................................... 73 ........................................................................................ 74 頂板安全管理措施 ............................................................................... 74 爆破安全措施 ......................................................................................... 74 通風(fēng)系統(tǒng)的安全措施 .............................................................................. 75 .......................................................................... 75 ................................................................................................... 76 .....................................
點(diǎn)擊復(fù)制文檔內(nèi)容
畢業(yè)設(shè)計(jì)相關(guān)推薦
文庫吧 www.dybbs8.com
備案圖片鄂ICP備17016276號(hào)-1