Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/a5932959016156154acb33a1cf8dfa78.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 bistable magnetic element是什么意思，bistable magnetic element的翻译，bistable magnetic element音标、读音、用法和例句_按摩法牛津词典