没有缩痕、流痕或其他视觉可见的表面缺陷。
No sink mark, flow lines or other visual imperfections to be on visible surfaces.
分析注塑件产生缩痕的原因，并从成型工艺角度出发提出解决缩痕的对策。
This article analyzes the reason of the sink-mark on injection molding product, and raise the solution about this question from view point of molding technology.
探索注塑制品表面产生缩痕的成因及其相关因素，提出了预防性设计思想及补救措施。
The causes and relative factors of the surface shrinkage trace for injected products are discussed, and the design ideas of preventive and remedial measures are presented.
本实用新型的背部加强结构薄筋既可以使弱梁的强度有效的增加，又可以避免弱梁的正面不出现缩痕。
The thin ribs applied in the back reinforcing structure can not only effectively improve the intensity of the weak beam, but also avoid sink marks on the front side of the beam.
分析了氨纶弹性织物纬缩、停车痕、后整理疵点等产生的原因，并提出了预防措施。
This paper analyzes the reasons to cause recoiling of the pick, stop mark and finishing defects on spandex stretch fabric with methods for their prevention presented also.
分析了氨纶弹性织物纬缩、停车痕、后整理疵点等产生的原因，并提出了预防措施。
This paper analyzes the reasons to cause recoiling of the pick, stop mark and finishing defects on spandex stretch fabric with methods for their prevention presented also.
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