Warning: file_put_contents(): Only 0 of 5461 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/cp667.com/index.php on line 55 lower supporting roller是什么意思，lower supporting roller的翻译，lower supporting roller音标、读音、用法和例句_淳朴汉英词典
At the lower belt upward direction is the deviation of the roller group should move to the left, move right upper supporting roller group. 皮带向上方向跑偏则托辊组的下位处应当向左移动，托辊组的上位处向右移动。