三辊张力减径机组
3-roll stretch reducing block(SRB
轴承式下胶圈张力辊
tension roller with bearing for bottom apron
三辊微张力定减径
3-roll tiny-tendon reducing
三辊微张力减径
three-high low tension reduction
内聚力-黏着力-张力学说
cohesion-adhesion-tension theory
(微)张力减径机
Slight) stretch pipe reducing mill
slight)Stretch reducing mill