| 释义 |
巷道hàngdào采矿或探矿时在地面或地下挖掘的大致成水平方向的坑道,一般用于运输和排水,地下的也用于通风。{tunnel; gallery; horizontal passageway dug on the earth surface or underground, for mining or prospecting purposes, usu. used for transport and drainage, with underground tunnels also used for ventilation} |