| • dupllication line of level | |
| तल: bed scale degree Base surface plane underside | |
| तल रेखा: bottom line | |
| रेखा: alignment lineament stria stroke rule curve trait | |
दुहरी तल रेखा अंग्रेज़ी में
[ duhari tal rekha ]
| • dupllication line of level | |
| तल: bed scale degree Base surface plane underside | |
| तल रेखा: bottom line | |
| रेखा: alignment lineament stria stroke rule curve trait | |
