tiempo de operación (n)

Betriebsdauer (f)

duration of service (n)

operating time (n)

service life (n)

Space saving, with a long service life and low maintenance.

easy-running roller conveyors with steel axles for a long service life.

High rigidity and long service life combine with minimum maintenance.

使用寿命 (n)

使用年限 (n)

运转时间 (n)