1000Ah容量的蓄电池,以500A电流放电,放电率是()A.1h B.2h C.3 发布时间:2017-11-07 03:38 │ 来源:www.tikuol.com 题型:单项选择题 问题: 1000Ah容量的蓄电池,以500A电流放电,放电率是()A.1hB.2hC.3hD.10h
题型:单项选择题 What happens to a person if he loses _____ of his blood (血)?A. three fourth B. one thirds C. two third D. two thirds 查看答案