总结磺酸盐型阴离子表面活性剂的结构与性质的关系-α—烯烃磺酸盐 发布时间:2020-02-24 17:13 │ 来源:www.tikuol.com 题型:问答题 简答题 问题: 总结磺酸盐型阴离子表面活性剂的结构与性质的关系-α—烯烃磺酸盐
题型:问答题 简答题 To give you a general idea of the various cotton piece goods now available for export, we ______ a brochure and a sample-cutting booklet.A.encloseB.enclose youC.enclose to youD.enclose for you 查看答案