flat-die forging

例句：

1. 1. Flat-die forging is a method of shaping metal by using a flat die to press it against the workpiece.
   平砧锻造是一种通过使用平砧将金属压在工件上以成型的方法。
2. 2. Flat-die forging is widely used in the manufacturing industry for its efficiency and precision.
   平砧锻造在制造业中被广泛使用，因为它的效率和精确度。
3. 3. In flat-die forging, the shape of the workpiece is determined by the shape of thedie, which can be adjusted to create different parts.
   在平砧锻造中，工件的形状由模具的形状决定，模具可以调整以制造不同部件。