常見例句雙語例句An extremely significant superplastic effect can be attained in cold-rolled condition without any special pre-treatment.發(fā)現(xiàn)這種狀態(tài)的合金，不需專門的預處理，就可呈現(xiàn)出很顯著的超塑效應，其延伸率可達463％。 返回 superplastic pre-treatment