When the hydraulic transmission system need high pressure,which pump will be selected。( )
A、Gearpump;
B、Vanepump;
C、Pistonpump;
D、bothPistonpumpandVanepump
发布时间:2025-11-21 19:28:31
A、Gearpump;
B、Vanepump;
C、Pistonpump;
D、bothPistonpumpandVanepump