- roller flange
- 辊: roller
- 凸缘: flange; bourrelet; lug; rim
- 旋转辊凸缘: swivelling-roller flanging die
- 凸缘: flange; bourrelet; lug; rim 环状凸缘 collar flange; 接头凸缘 joint flange; 凸缘管 pipe flange
- 压辊凸出部: bulging of calender bowis; bulging of calender bowls
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