名词
中文翻译：气压
同义词：
['atmospheric pressure', 'barometric pressure']
例句：
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1. The pilot adjusted the altitude to maintain a safe psig.
飞行员调整了高度以维持安全的压力。
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2. The ship's hull was designed to withstand high psig.
船只的船体设计来承受高压力。
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3. The astronaut experienced a drop in psig during the descent.
宇航员在下降过程中感受到压力下降。