Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/a4572d9a29dc72a2d264a942fe489678.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58
ball-mill英英字典_ball-mill剑桥英语解释_ball-mill柯林斯英文解释_歐米惠必应词典
歐米惠必应词典

ball-mill

B 开头单词

柯林斯词典

    ball mill

  • 1. N a horizontal cylinder or cone in which a substance, such as a mineral, is ground by rotation with steel or ceramic balls 球磨機[engineering]

    • 返回 ball-mill