[机] Back-up roll
... 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 ...
bed roll
... 小支书撑辊 backuroll 支撑辊 bed roll 小支书撑辊;背辊 backuroll ...
backup roller
... 内孔 female 支撑辊 backup roller 焊剂 solder ...
backup rolls
... rolling mill chock 轧机轴承座 backup rolls 支撑辊 work rolls 工作辊 ...
支撑辊是对支撑辊辊身、辊颈表面进行现场着色探伤,以检测表面有无裂纹缺陷。