Warning: file_put_contents(): Only 0 of 4996 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/69228.com/index.php on line 55 亚洲日韩国产AV无码无码精品,正在播放无码黑人,国产精品96乱子一级视频
With axial shift of intermediate roll, the bending of work roll on HC mill can be effectively controlled and the controllability of profile increases. HC軋機(jī)通過中間輥的軸向移動，可有效地控制工作輥的彎曲：增強(qiáng)板形控制能力。