板料厚度大，不易起皱，但壁厚减薄率大，因而成形精度不高。

The thick blank is difficulty wrinkled, but the blank thinning is larger and result in a low forming precision.

youdao

板料厚度大，不易起皱，但壁厚减薄率大，因而成形精度不高。

The thick blank is difficulty wrinkled, but the blank thinning is larger and result in a low forming precision.

youdao