根据上限原理建立了一种变薄拉延过程的上限模型，。

An upper-bound model with two pseudo-independent parameters is formulated for ironing process.

youdao

根据上限原理建立了一种变薄拉延过程的上限模型，。

An upper-bound model with two pseudo-independent parameters is formulated for ironing process.

youdao