【正文】 eprint paper藍(lán)圖紙bluestone膽礬blunt鈍的blunt drill鈍鉆board板board and pillar房柱式開法board and pillar method房柱式開采法board and pillar work房柱式開法board and wall method房柱式開采法boarding安裝木板boart工業(yè)用圓粒金剛石bob鉛錐bobbin繞線管bog land沼地bogie小車。轉(zhuǎn)向架boiled oil熟煉油boiler鍋爐boiling沸騰boiling process沸騰法boke小細(xì)脈bolt螺栓bolt connection螺栓連接bolt joint螺栓接合bolting錨桿支護(hù)bolting cost錨桿支架費(fèi)bonanza富礦脈bond結(jié)合bond energy結(jié)合能bonding agent結(jié)合劑bonding energy結(jié)合能bonding strength結(jié)合強(qiáng)度bone可燃性頁巖bone char骨煤bone coal骨煤bone picker揀矸工bonnet蓋bonny礦襄bonstay暗井bont提升裝置bonze末精選的鉛礦石boom懸臂boom crane伸臂起重機(jī)boom hoist懸臂絞車boom ripper懸臂挑預(yù)機(jī)boose礦石內(nèi)的脈石booster傳爆藥booster fan輔助扇風(fēng)機(jī)booster primer傳爆藥booster pump增壓泵boosting局部通風(fēng)bootleg拒爆炮眼booze鉛礦bop防噴器boracite方硼石borax硼砂bord巷道bord and pillar method房柱式開采法bord and pillar work房柱式開法bord and wall method房柱式開采法border邊緣border pile邊樁bordering炮泥borderline界線bore孔bore bit鉆頭bore borings鉆粉bore hole炮眼bore meal鉆粉bore mining溶液采礦bore mud鉆泥bore plug鉆孔巖樣borehole鉆孔borehole charge鉆孔裝藥borehole clinometer鉆孔測斜儀borehole diameter鉆孔直徑borehole profile鉆孔斷面圖borehole pump深井泵borehole seal鏜孔密封墊borehole shooting鉆井爆破borehole survey鉆孔測量borer鉆工boride硼化物boring鉆進(jìn)boring bar鉆桿boring bit釬頭boring for oil石油鉆深boring frame鉆塔boring head鉆頭boring machine鉆機(jī)boring mud鉆泥boring pump鉆眼用泵boring rig鉆塔boring rod鉆桿boring rope鉆機(jī)用的鋼絲繩boring tool鉆具boring tower鉆塔boring tube鉆管bornite斑銅礦boron硼bort bit金剛石鉆頭bortz工業(yè)用圓粒金剛石bortz powder金剛石粉borway bit齒狀鉆頭boss hammer大錘bossing厚層切底bottle coal瓦斯煤bottom底板bottom banksman井底把鉤工bottom belt底部皮帶bottom canch臥底bottom captain井下組長bottom cutting底部截槽bottom discharge bucket底卸式鏟斗bottom discharge skip底卸式箕斗bottom dump bucket底卸式鏟斗bottom dump skip底卸式箕斗bottom dumping car底卸式車bottom gangway底導(dǎo)坑bottom gate底導(dǎo)坑bottom heading底導(dǎo)坑bottom hole底部炮眼bottom installation井底車場設(shè)備bottom kerf底槽bottom layer底層bottom layout井底車場布置bottom level井底車場標(biāo)高bottom loading belt底帶裝載式膠帶輸送機(jī)bottom man井底把釣工bottom plate底板bottom pressure底部壓力bottom priming底部點(diǎn)火bottom sediment罐底雜質(zhì)bottom slice底分層bottom stope下向梯段工祖bottom stoping下向梯段回采bottom taking臥底bottom wall下盤bottomer井底把釣工bottoming bit可卸式鉆頭boulangerite硫銻鉛礦boulder圓石boulder blaster大塊爆破工boulder blasting二次爆破boulder crusher粗碎機(jī)boundary邊界boundary breakthrough邊界聯(lián)絡(luò)橫巷boundary condition邊界條件boundary layer邊界層boundary of property建礦邊界boundary of section采區(qū)邊界boundary surface界面boundary surface active agent界面活性劑boundary value監(jiān)界品位boundary ventilation對(duì)邊通風(fēng)bounge煤的擠出bournonite車輪礦bouse礦石內(nèi)的脈石boutgate通地面的人行道bow弧。拱梁bowl classifier浮槽分級(jí)機(jī)box箱box car棚車box pass羅盤box floor溜口底box timbering板框支護(hù)box type scraper箱形刮斗boxhole聯(lián)絡(luò)小巷brace撐木bracing支撐bracket托架。井口車場bracket crane懸臂式起重機(jī)bradford breaker勃萊福型破選機(jī)brae斜井braize煤塵brake制動(dòng)器brake application time制動(dòng)時(shí)間brake band制動(dòng)帶brake beam制動(dòng)杠桿brake block閘瓦brake drum制動(dòng)鼓brake equipment制動(dòng)裝置brake shoe塞塊brakesman跟車工braking制動(dòng)braking controller制動(dòng)控制器braking device制動(dòng)裝置braking distance制動(dòng)距離braking effort制動(dòng)力braking energy制動(dòng)能braking fluid制動(dòng)液braking force制動(dòng)力braking incline輪子坡braking terminal制動(dòng)終點(diǎn)站braking time制動(dòng)時(shí)間branch支線branch circuit分支電路branch conduit支管branch entry支巷branch roadway中間平巷branching分支brannerite鈦鈾礦brash脆的brasil黃鐵礦brass黃銅brassil黃鐵礦brattice風(fēng)布brattice cloth風(fēng)幛布brattice way上部巷道braunite褐錳礦bravoite鎳黃鐵礦brazil黃鐵礦brazing銅焊breach缺口break崩落break in declivity傾斜變化break in grade坡度轉(zhuǎn)折點(diǎn)break thrust背斜上沖斷層breakability可破碎性breakage崩落breakage face回采工祖breakdown破壞。破損breakdown fluid爆破用壓力水breakdown point強(qiáng)度極限breakdown test破壞試驗(yàn)breaker破碎機(jī)。落煤工breaker roll破碎輥breaking破碎breaking cone破碎圓錐breaking current開閘電流斷路電流breaking in磨合breaking load斷裂負(fù)載breaking out of fire發(fā)生火災(zāi)breaking point強(qiáng)度極限breaking strength抗斷強(qiáng)度breaking stress致斷應(yīng)力breaking test破壞試驗(yàn)breaking up of boulders大塊二次破碎breaking weight斷裂負(fù)載breakoff聯(lián)絡(luò)小巷breakthrough聯(lián)絡(luò)小巷breast工祖前壁breast and pillar房柱式采煤法breast and pillar method房柱式采煤法breast mining扒礦開采breast stoping扒礦開采breather通氣孔breathing呼吸breathing apparatus呼吸器breathing bag氧氣囊breathing mask防毒面具breccia角礫巖breeze粉煤brettis風(fēng)簾brick磚brick earth磚土brick lining磚砌支護(hù)bricking磚砌支護(hù)bricklayer砌磚工brickwork砌磚bridge橋bridge conveyor橋式輸送機(jī)bridge crane橋式起重機(jī)bridging橋連brigade工子brigadesman礦山救護(hù)隊(duì)隊(duì)員bright coal輝煤brightness亮度briight coal輝煤brine鹽水brine intake凍結(jié)管brinell apparatus布氏硬度試驗(yàn)器brinell hardness test布氏硬度試驗(yàn)brinell hardness tester布氏硬度試驗(yàn)器bring back后退式回采bringing back后退回采briquette煤球briquette press壓煤磚機(jī)briquetting煤磚制造briquetting machine團(tuán)壓機(jī)briquetting press壓煤磚機(jī)brisance猛度brittle脆的brittle fracture脆性斷裂brittleness脆性broaching bit擴(kuò)孔鉆頭broad gauge track寬軌broadwall長壁開采brochantite水膽礬broil露頭broken charge分段裝藥bromargyrite溴銀礦bromin溴bromlite碳酸鈣鋇礦bromyrite溴銀礦bronchiectasis支氣管擴(kuò)張bronchitis支氣管炎bronze青銅bronzite古銅輝光brookite板鈦礦brow巷道口brow bin臨時(shí)貯石倉brow box臨時(shí)貯石倉brow of station井底車場的標(biāo)高brown coal褐煤brown hematite褐鐵礦broyl露頭brucite水鎂石bryle露頭bubble氣泡bubble cell泡沫浮選槽bucked ore富礦石bucker碎礦機(jī)bucket吊桶bucket capacity抓斗子容量bucket chain斗鏈bucket chain dredger多斗挖掘船bucket conveyor斗式運(yùn)輸機(jī)bucket dredger多斗挖掘船bucket elevator提斗機(jī)bucket excavator多斗挖掘機(jī)bucket grab抓斗bucket hook吊桶鉤bucket loader斗式裝載機(jī)bucket pump鏈斗提水機(jī)bucket teeth鏟斗齒bucket trenching machine多斗控溝機(jī)bucket wheel excavator斗輪式挖掘機(jī)buckling縱向彎曲buckling load縱彎曲負(fù)載buckling strength縱向彎曲強(qiáng)度buckling stress縱向彎曲應(yīng)力bucksaw架鋸buddle斜面固定淘汰盤buddle jig動(dòng)篩跳汰機(jī)buffer緩沖器buffer action緩沖酌