SIMPLIFICATION AND DETERMINATION OF POLYTROPIC EXPONENT OF THER MODYNAMIC PROCESS IN THE FILLING AND EXHAUSTING PROCESS IN A PNEUMAITIC SYSTEM是什么意思_SIMPLIFICATION AND DETERMINATION OF POLYTROPIC EXPONENT OF THER MODYNAMIC PROCESS IN THE FILLING AND EXHAUSTING PROCESS IN A PNEUMAITIC SYSTEM在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句