[机]?支撑辊

... 模衬；压模嵌入件 die insert 支撑辊 back-up roll 有动力装置的工作辊 powered work roll ...

[机]?支承辊

...学报（自然科学版、英文版） 关键字: 组合式；支承辊；装配凸度；弹性压扁；挠度[gap=2040]Key words: composite; back-up roll; crown caused by shrinkage fit; elastic flattening; deflection...

?背托锟

... 托环，衬垫 back-up ring 背托锟 back-up roll 背托条 back-up strip ...

?支撑轧辊

... back-up ring || 保护圈，垫圈，支撑环 back-up roll || 支撑轧辊，支撑辊 back-up safety device || 备用安全设备，备用安全装置 ...