Warning: file_put_contents(/www/wwwroot/ppbbbu/oiqp.com/cache/13697c58a927c77e0600239eeb8a8d5e.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/oiqp.com/index.php on line 55 magnetic lifter例句_magnetic lifter英汉例句_magnetic lifter双解例句_奇葩剧汉英词典
According to the characteristic of transfer of magnetism and mechanical force, rare-earth permanent magnetic lifter was studied and designed. 利用磁与机械力的转换特性，进行了稀土永磁起重吊的研究和设计。