在离海面几千英尺高度上(在拔海高度数千英尺以下)气压递减率大约是每900到1000英尺高度下降1英寸汞柱左右。
For the first few thousand feet above sea level the rate of pressure decrease is in the neighbourhood of 1 inch of pressure for each 900 to 1000 ft.
在离海面几千英尺高度上(在拔海高度数千英尺以下)气压递减率大约是每900到1000英尺高度下降1英寸汞柱左右。
For the first few thousand feet above sea level the rate of pressure decrease is in the neighborhood of 1 inch of pressure for each 900 to 1000 ft.
在离海面几千英尺高度上(在拔海高度数千英尺以下)气压递减率大约是每900到1000英尺高度下降1英寸汞柱左右。
For the first few thousand feet above sea level the rate of pressure decrease is in the neighborhood of 1 inch of pressure for each 900 to 1000 ft.
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