Drain line: the hydraulic components leaked oil into the return pipe or tank.
泄油管路：将液压元件泄露的油液导入回油管或油箱。
Open the relevant valves on the oil pipe line and the water pipe line.
打开油管管路和水管管路上有关的阀门。
Close the relevant valves on the oil pipe line and the water pipe line.
关闭相关的油管管路和水管管路上的阀门。
Close the relevant valves on the oil pipe line and the water pipe line.
关闭相关的油管管路和水管管路上的阀门。
应用推荐