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。
Flexible Hose, Compensator, Oil Return Tube, Flexible Pipe, Metal Pipe, Stainless Steel Corrugated Expansion Pipe.
不锈钢波纹膨胀管、挠性软管、补偿器、金属软管，回油管，网套管。
The invention oil return pipe disposed in a scroll compressor has an outlet for leading oil to the electric protector of a motor.
一种涡卷压缩机，设置回流管，回油管具有一出口用以向电动机的电动保护器引导油。
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