The heater's job is to prevent hydrazinefuel in a feed pipe to a unit from freezing.
加热器的工作是预防装置进料管中的联氨燃料冻结。
2
The impact flash may have been caused by the thermal emission from the impact itself or by the release of spacecraft volatiles, such as the small amount of hydrazinefuel remaining on board.
撞击的闪光可能来自撞击本身产生的热喷发，也可能是飞船上的挥发物，如剩余的少量肼燃料。
3
Here were bugs that created hydrazine, an extremely unstable compound, used as rocket fuel, that is poison to most living things.