机械穿孔 machine drilling
机械装载 machine loading
机械化开采 machine mining
机窝 machine stable
机械化工祖 machine wall
机械化煤矿 machine worked mine
岩浆矿石 magmatic ore
岩浆成因 magmatic origin
磁效应 magnetic action
粗粒磁选 magnetic cobbing
磁选精矿 magnetic concentrate
磁感应密度 magnetic density
机械装载 machine loading
机械化开采 machine mining
机窝 machine stable
机械化工祖 machine wall
机械化煤矿 machine worked mine
岩浆矿石 magmatic ore
岩浆成因 magmatic origin
磁效应 magnetic action
粗粒磁选 magnetic cobbing
磁选精矿 magnetic concentrate
磁感应密度 magnetic density
磁闩 magnetic lock
磁力测量 magnetic measurement
磁力选矿厂 magnetic mill
磁性矿石 magnetic ore
磁性传感器 magnetic pick up
磁铁引力 magnetic pull
纸硐 main adit
昼巷 main airway
头尾绳运输 main and tail rope haulage
干线皮带运输机 main belt
炙输机 main conveyor
咒送机巷道 main conveyor roadway
知石门 main crosscut
种配运输机 main distributing conveyor
知平巷 main drift
肢动装置 main drive
旨备开采工祖 main ends
秩风机 main fan
窒层系 main fault system
种子坡 main gravity incline
知运输 main haulage
炙输水平 main haulage level
运输大巷 main haulage roadway
炙输道 main lateral
之平 main level
峙水 main mine drainage
助井 main opening
重风流 main return
老顶垮落 main roof caving
底梁 main timber
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