molding edge

例句：

1. 1. The molding edge of the car is smooth and shiny.
   汽车的模具边缘光滑且有光泽。
2. 2.The molding edge was made from high-quality steel.
   模具边缘是由高质量的钢材制成的。
3. 3.The molding edge is critical for the final product's shape.
   模具边缘对于最终产品的外形至关重要。