一个标准大气压是多少
人气:407 ℃ 时间:2019-12-19 02:40:37
解答
1标准大气压=760毫米汞柱=76厘米汞柱=1.013×10^5帕斯卡=10.336米水柱.标准大气压值的规定,是随着科学技术的发展,经过几次变化的.最初规定在摄氏温度0℃、纬度45°、晴天时海平面上的大气压强为标准大气压,其值大约...
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