Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/8d988d6bdf17e382c6a3e4e3d574c03a.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 bistable magnetic core是什么意思，bistable magnetic core的翻译，bistable magnetic core音标、读音、用法和例句_按摩法牛津词典