After years of hard work, he was able to build his first engine.
经过多年的努力，他制造出了他的第一台发动机。
The pump system can include a first engine (40) to drive the main boost pump and a second engine (68) to drive the satellite pumps.
所述泵系统能够包括用于驱动主增压泵的第一发动机(40)，和用于驱动辅助泵的第二发动机(68)。
The pump system can include a first engine (40) to drive the main boost pump and a second engine (68) to drive the satellite pumps.
所述泵系统能够包括用于驱动主增压泵的第一发动机(40)，和用于驱动辅助泵的第二发动机(68)。
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