涤纶织物经碱减量后,上染率(),表观得色量()。 发布时间:2019-08-05 21:43 │ 来源:www.tikuol.com 题型:填空题 问题: 涤纶织物经碱减量后,上染率(),表观得色量()。
题型:填空题 — I've been coughing like this for several days. — I'm sorry _____ you're not well. [ ]A. hear B. hearing C. heard D. to hear 查看答案