Warning: file_put_contents(/www/wwwroot/ppbbu/bieo.cn/cache/eebc649abaf70dcd4db42ae63ab697cf.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/bieo.cn/index.php on line 58 samarium-cobalt magnet例句_samarium-cobalt magnet英汉例句_samarium-cobalt magnet双解例句_衣物護欧路词典
SmCo magnet is a high performance , low temperature coefficient permanent magnet made of samarium and cobalt and other rare-earth elements. 釤鈷磁鉄主要由金屬釤、鈷和其它一些蓆土元素搆成的永久磁鉄。