oil pipe line 输油管 ; 油管线
buried oil pipe line 地下油管
anda oil pipe line 安大线项目
cargo oil tank pipe line 货油舱管系 ; 货油舱管路
cargo oil deck pipe line 甲板货油管路
oil l pipe line 输油管
oil line pipe 油气输送管
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。
Oil temperature drop and oil contraction can cause gas space growing in oil pipe and line packing during hot oil pipeline shutdown and restarting.
热油管道停输后，管内油品降温收缩，管内会产生油蒸气空间，从而使管道再启动时出现启动充装过程。
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