海平面上的大气压力每一平方英寸约有十五磅。

PRESSURE】The air pressure at sea level is nearly 15 pounds for each square inch.

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飞行中飞机内的气压低于海平面的大气压。

The air pressure in a plane during flight is lower than at sea level.

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飞行中飞机内的气压低于海平面的大气压。

The air pressure in a plane during flight is lower than at sea level.

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