usl是什么意思 2026-03-15 0 USL： abbr. 吊挂货物(Under-Slung Loads);水下音响实验室(Underwater Sound Laboratory);超编待用人员名册(Unemployed Supernumerary List) 双语例句： 1.USL can provide systems for both simple and complex applications.... 阅读更多
