水平巷道 meaning in English
entry; drift
Examples
- The lengths of the probes used in horizontal hole in potassium mines were up to 200m .
钾盐矿井水平巷道使用的探头长度达到200米。 - A horizontal or nearly horizontal passageway in a mine running through or parallel to a vein
水平巷道穿过矿脉或与矿脉平行的矿井中水平或近似水平的巷道