Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/b686aa1a34c8b3599e4aec538a405086.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 Townsend avalanche例句_Townsend avalanche英汉例句_Townsend avalanche双解例句_沉淀汉英词典
According to the electron collision ionization theory of Townsend, the electron avalanche is the basic process in gas discharge. 根据汤逊电子碰撞电离理论，电子崩是气体放电最基本的过程。 dict.cn