Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/6bbdb1db70f447d2c928f59d4afde99d.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 snapover是什么意思，snapover的翻译，snapover音标、读音、用法和例句_按摩法牛津词典
snapover：phenomenon caused by secondary electron emission that can lead to electron collection on insulating surfaces in an electric field. 急聚：引起二次電子噴射的現象能導致電子在一個電場內的絕緣躰表麪聚集.