矿层顶板 bed top
层状铁矿 bedded iron ore
信号工 bell man
小探井 bell pit
信号铃拉绳 bell rope
带头式提升机 belt bucket elevator
胶带输送机卸料装置 belt discharging plant
带式提升机 belt elevator
胶带接长 belt extension
带扣 belt fastener
带式给矿机 belt feeder
皮带输送机平巷 belt heading
层状铁矿 bedded iron ore
信号工 bell man
小探井 bell pit
信号铃拉绳 bell rope
带头式提升机 belt bucket elevator
胶带输送机卸料装置 belt discharging plant
带式提升机 belt elevator
胶带接长 belt extension
带扣 belt fastener
带式给矿机 belt feeder
皮带输送机平巷 belt heading
斜井用胶带输送机 belt hoister
皮带拉紧滚筒 belt idler pulley
胶带输送机斜井 belt incline
缝带机 belt lacing machine
胶带动载机 belt loader
带式运输机滚筒 belt pulley
带筛 belt screen
带式分选机 belt separator
胶带打滑保护 belt slip protection
抛掷式胶带充填机 belt stower
紧带器 belt tightener
皮带拉滚筒 belt tightening pulley
胶带导辊 belt training idler
皮带输送 belt transport
带式磁选机 belt type magnetic separator
阶段爆破 bench cut blasting
阶段钻眼 bench drilling
台阶工祖 bench face
台阶底 bench floor
梯段的下向垂直炮眼 bench hole
阶段准备 bench preparation
阶段采石场 benched quarry
选矿法 beneficiating method
弯曲平巷 bent entry
弯工祖 bent face
段台 berme
双线死 bicable tramway
比克福特导爆线 bickford fuse
双圆锥齿轮钻头 bicone type rolling cutter bit
双金属片继电器 bimetallic strip relay