molla elicoidale {ad elica}
ressort spiral [à hélice]
Schraubenfeder f
helical spring
Schraubenfeder
helical spring
helical spring
coil spring
1) molla cilindrica 2) molla ad elica
helezoni yay, sarmal yay
ґвинтова́ пружи́на
helicoidal spring
helicoidal spring
Schraubenzugfeder
resorte de tornillo de ajuste de marcha mínima