2.9. |
"reference plane 'P' " (see fig.1) means a transverse plane perpendicular to the straight line connecting point "R" to point "A", where |
a0c0 |
2.9. |
"reference plane 'P' " (see fig.1) means a transverse plane perpendicular to the straight line connecting point "R" to point "A", where |
a0c0 |