Mittenabstand (m)

center-to-center distance (n)

center-to-center spacing (n)

centre distance (n)

During the actual test, the gear pairs are rolled, with any gear error changing the centre distance.

centre-to-centre distance (n)

centre-to-centre spacing (n)

中心距 (n)

distancia a centros (n)

espacio a centros (n)