截面为矩形的1Cr 17Ti的钢材,除轧制外未进一步加工,钢材的宽度为50mm,当冷 发布时间:2017-07-02 09:39 │ 来源:www.tikuol.com 题型:填空题 问题: 截面为矩形的1Cr 17Ti的钢材,除轧制外未进一步加工,钢材的宽度为50mm,当冷成形笔直状报验时( ) A.14 B.15 C.16 D.17
题型:填空题 Recently our government policymakers are very _______about the rapidly rising food costs. A.upsetB.confusedC.concernedD.conscious 查看答案