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溜井 liūjǐng
earth.sc. pass
tech. drop shaft; gravity shaft; jackshaft
溜井以自然下落方式运输所采矿石的小立井,也叫漏斗天井,参见 draw shaft;orepass liūjǐng
expl. chute gap; chute raise; box hole; drop shaft; gravity shaft; jack pit
溜井以自然下落方式运输所采矿石的小立井,也叫漏斗天井。参见 chute;draw shaft liūjǐng
expl. ore pass
溜井以自然下落方式运输所采矿石的小立井,也叫漏斗天井,参见 chute;orepass liūjǐng
expl. draw shaft
溜井: 23 phrases in 3 subjects
Explosives and Explosive Ordnance Disposal6
General1
Technology16