moulding wax

例句：

1. 1. The moulding wax is used to create the final shape of the product.
   模具蜡用于制作产品的最终形状。
2. 2. The moulding wax was applied evenly to ensure a smooth surface.
   模具蜡被均匀涂覆，以确保表面光滑。
3. 3. The moulding wax was removed after the product was finished.
   产品完成后，模具蜡被移除。