Inspect all fittings , dynamic, and static seal fits for low pressure external leaks to atmosphere.
检查所有的接件,动态及静态密封物,以便向外放气至降到适合外部大气压(的程度)。
Why is there both external and internal pressure to look "perfect"?
为何会有外在和内在的双重压力来让自己看起来“完美”?
In the reversible case, an external pressure is essentially equal to the internal pressure.
在可逆的情况下,外部压力基本上等于内部压力。
External pressure, including the reported mediation of U.S.Ambassador Christopher Hill, was heavy to ensure the lawmakers acted.
VOA: standard.2009.11.09
Of course in the reversible case, you're always pushing against an external pressure, which is essentially equal to the internal pressure.
当然在可逆的情况下,外压力,总是,等于内部压力。
Because it's so important. And I should add and also under reversible work, where the external pressure is equal to the internal pressure.
而且我还要说应该在外部压强,和内部压强相等的,可逆过程中引入它。
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