| • reference plane | |
| निर्देश: directive designation say rubric precept | |
| समतल: level slope complanate flat bed tabular square | |
निर्देश समतल अंग्रेज़ी में
[ nirdesh samatal ]
| • reference plane | |
| निर्देश: directive designation say rubric precept | |
| समतल: level slope complanate flat bed tabular square | |
