收缩小，有方向性，易发生熔接不良，变形、翘曲、缩孔、裂纹及应力集中，树脂填料分布不匀。
Shrinkage small, directional, high incidence of adverse Weld, deformation, warping, shrinkage cracks and stress concentration, resin filler uneven.
收缩小，有方向性，易发生熔接不良，变形、翘曲、缩孔、裂纹及应力集中，树脂填料分布不匀。
Shrinkage small, directional, high incidence of adverse Weld, deformation, warping, shrinkage cracks and stress concentration, resin filler uneven.
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