Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/f051539d778ee774960e53a8b5afe134.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 coated abrasive tool例句_coated abrasive tool英汉例句_coated abrasive tool双解例句_甲百汇小鸡词典
The feature of abrasive belt grinding as well as the design and application of special-shaped coated abrasive tool made of belts are described. 论述砂带磨削的特点和利用砂带再制的异形涂附磨具的设计及其应用场合。