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单词 Millimetres of mercury
释义

Millimetres of mercury

英语百科

Millimeter of mercury

A millimeter of mercury is a manometric unit of pressure, formerly defined as the extra pressure generated by a column of mercury one millimetre high and now defined as precisely 133.322387415 pascals. It is denoted by the symbol "mmHg".

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更新时间:2025/6/22 20:20:21