hydraulic oil circuit

基本解释

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。
blog.sina.com.cn
Oil cooler for hydraulic circuit of engineering machinery, such as excavator, vibratile roller, car-lifter & drill rig.
用于挖掘机、振动式压路机、汽车起重机、钻井机等工程机械油压系统的油冷却器。
http://chazidian.com
Hydraulic oil flush return circuit, pressure filter and pressure breaking device are added to the systems, solving the problems in design and application of hydrostatic transmission systems.
设计中增加了液压油冲洗回路、压力滤油器和压力切断装置，解决了静压传动系统应用设计中的问题。
airiti.com