Check the circuit and the valves are free, but hydraulic oil in the debris of aluminum alloy.

检查油路及各阀门均无问题，但液压油中有铝合金碎屑。

youdao

Check the circuit and the valves are free, but hydraulic oil in the debris of aluminum alloy.

检查油路及各阀门均无问题，但液压油中有铝合金碎屑。

youdao