rolling circle
| root line
| rolling circle | |
| construct. | plateau roulé |
| root line | |
| gear.tr. | ligne d'entredent |
| |||
| plateau roulé (nonstationary circle in the rear part of stage) | |||
| cercle roulant; cercle tournant | |||
|
rolling circle : 3 phrases in 1 subject |
| Scientific | 3 |