negative pressure的用法和樣例：
例句
- This negative pressure phase is of short duration.
負壓周期的延續時(shí)間很短。 - Special designs effective for low intake pressure or suction-side applications.
具有在低入口壓力或負壓情況下應用的特殊設計。 - Other advantages of the propellent with a negative pressure exponent were also presented.
還指出了負壓力指數推進(jìn)劑的其它優(yōu)點(diǎn)。
