... roll changing carriage ==> 换辊车 roll changing gear ==> 换辊装置 roll changing rig ==> 换辊装置 ...
双语例句
1
The mill comprises rollchanging hydrocylinder (1), with rolling mill group (3), roll changer (2), post (4), worm wheel lifting gear (5), U-shaped frame (7), rotation ear (8) and bolt (9).