Main Engine Start的用法和樣例：
例句
- It is difficult to start the engine.
發(fā)動(dòng)機啟動(dòng)有點(diǎn)困難。 - The IPP, my second example, is a sophisticated turbine that acts as the auxiliary power unit on engine starts.
綜合動(dòng)力組件，也就是我所舉的第二個(gè)例子，是一臺在發(fā)動(dòng)機啟動(dòng)過(guò)程中扮演輔助動(dòng)力角色的技術(shù)成熟的渦輪發(fā)動(dòng)機。
