燃油回路 meaning in English

fuel circuit

So a new double - pressure common - rail system , which uses the lubricating oil in the diesel engine as the actuating medium , is presented . first , an experimental bench with the hydraulic system ^ fuel injection systeiru electronic control unit and simulated diesel engine is built
鉴于首次研究综合系统，本文首先建立了一套实用于2135g柴油机的综合控制系统试验台架，其中包括液压回路、燃油回路、电控系统和模拟柴油机。