“high vacuum”的概念、定义、翻译、参考文献-科学参考

单词	high vacuum
释义	high vacuum [`hī ¦vak·yüm] ^PHYSICS A vacuum with a pressure between 1 × 10^-3 and 1 × 10^-6 mmHg (0.1333224 and 0.0001333 pascal).
随便看	pumparound pump bob pump-down time pumped hydroelectric storage pumped tube pumpellyite pumpellyite-prehnite-quartz facies pumphouse pumping pumping frequency pumping level pumping loss pumping pressure pumping radiation pumping station pumping well pumpkin pump off pump oscillator puna punch punch card punched card punched-card accounting machines punched-card equipment

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