The minus tolerance rolling of steel products is an effective measure for increasing enterprises profit.

钢材产品实行负偏差轧制是企业提高经济效益的有效措施。

youdao

The minus tolerance rolling of steel products is an effective measure for increasing enterprises profit.

钢材产品实行负偏差轧制是企业提高经济效益的有效措施。

youdao