doublet

The study on contributing factors of teeth fracture and off teeth of double alloy beltsaw blade;

双合金带锯条断齿、脱齿成因探讨

The processing condition of forming bright-point during aluminium foil double rolling has been studied.

研究了双合轧制铝箔产生亮点的工艺条件，运用摩擦、润滑理论阐明了亮点产生的机理，提出了预防这种缺陷的措施。