不高不矮的围墙挡在两边，斑斑驳驳的苔痕，墙上挂着一串串苍翠欲滴的藤萝，简直像古朴的屏风。
On either side of the lane stand enclosing walls of medium height, which, moss-covered and hung with clusters of fresh green wistaria, look almost like screens of primitive simplicity.
但是，注塑成型常常出现各种质量问题，例如，短射、飞边、翘曲、熔接痕和尺寸误差等。
But injection molding often results many product's problems such as short shots, overflow edges, warp, weld line, dimension error and so on.
板卷产生边部裂纹的主要原因是：连铸坯表面边部横裂纹（包括深的振痕）和边部的细小纵裂纹，在加热和轧制过程中不断扩展；
The main reasons of the edge cracking are: expanding of horizontal cracks (including deep oscillation imprint) and fine vertical cracks of cast blank during reheating and hot rolling;
板卷产生边部裂纹的主要原因是：连铸坯表面边部横裂纹（包括深的振痕）和边部的细小纵裂纹，在加热和轧制过程中不断扩展；
The main reasons of the edge cracking are: expanding of horizontal cracks (including deep oscillation imprint) and fine vertical cracks of cast blank during reheating and hot rolling;
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