排油管路 drain line ; oil drain line

泵的排油管路 pump drain oil line

车轮马达排油管路 wheel motor drain line

液压传动装置排油管路 hydraulic drain line

泵体排油管路 pump case drain line

箱体排油回路 case drain circuit

箱体排油管路 case drain oil line

制动油路排气装置 brake bleeder

涡轮增压器油排放管路 turbocharger oil drain line