Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/f1fb9ccdb6d11e659beef3a28e40e32c.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 Townsend avalanche例句_Townsend avalanche英汉例句_Townsend avalanche双解例句_食材铺反向词典
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