negative pressure的用法和样例：
例句
- This negative pressure phase is of short duration.
负压周期的延续时间很短。 - Special designs effective for low intake pressure or suction-side applications.
具有在低入口压力或负压情况下应用的特殊设计。 - Other advantages of the propellent with a negative pressure exponent were also presented.
还指出了负压力指数推进剂的其它优点。
