Author points out there are a lot of confusion and antinomy in actual formulae of gas conductance, so that it is difficult for the actual formulae to be used in vacuum technology.是什么意思_Author points out there are a lot of confusion and antinomy in actual formulae of gas conductance, so that it is difficult for the actual formulae to be used in vacuum technology.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句