缸筒研光机，制筒卷边机的英文

barrel lapping machine

• 缸:    jar; jug; vat; cro ...
• 筒:    a section of thick ...
• 研:    grind; pestle
• 光:    light; ray
• 机:    machine; engine
• 制:    make; manufacture
• 卷边机:    curling machine