1)submerged contour,水底等高线2)contour of coal seam floor,底板等高线3)marine contour line,海底等高线4)ore bedy groundbathymetric,矿体底板等高线5)contour map of confining bed,隔水底板等值线6)bottom contour,底部等高线;底部地形
用法例句
This paper is applied Geographic Information System (GIS) combine with the analysis of the conditions of hydrogeology, correctly and rapidly drawing the contour map of confining bed in Taiyuan Xishan area.
