The spot inwall defect of aluminium alloy pipes during extrusion is one of the defects that only occur in the process of extrusion without lubrication.
铝合金管材挤压时在其内表面产生的点状擦伤,是无润滑挤压过程特有的一种表面缺陷。
excess or void spots defects of printing plates,printing gum rolls,printing media or other eventually happened process imperfections.
印刷品上往往出现多余的不同颜色的点状弊病或缺少不同颜色的点状缺陷,这种情况不外乎是在印版上存在有多余的或缺少的点状弊病或缺陷,或是在印刷时用的承载体上有点状缺陷,或印刷时产生的点状弊病。
Failure analysis of the spot flaking on 40Cr steel gears surface;
40Cr钢齿轮齿面点状剥落失效分析
The technology of sofa leather manufacturing which have a brightsome spots effect with American cowhides as raw materials was discussed.
对以美国奶牛皮为原料生产的点状效应沙发革的工艺,进行了初步探讨。
DKDP crystals were grown by the Z cut point seed (5mm×5mm×3mm) on the basis of the study on the stability of DKDP solution.
本文在研究DKDP溶液稳定性的基础上 ,采用Z切点状籽晶 (5mm× 5mm× 3mm)生长了多块DKDP晶体 ,在2 5 0ml和 10 0 0ml生长瓶中分别获得了在 [10 0 ]和 [0 0 1]向生长速度可达到 3mm/d和 4 5mm/d的点状籽晶生长优质DKDP晶体的生长条件。
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