Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/aa9111d8ba5870c38957bda02c90517f.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 parting sand是什么意思，parting sand的翻译，parting sand音标、读音、用法和例句_甲百汇小鸡词典
The invention discloses a mechanism for cleaning parting surfaces of an upper sand box and a lower sand box, which belongs to a producing line of castings. 本发明属于铸造生产线上的一种上下砂箱分型面清理机构。 ip.com