变压器的瓦斯保护和差动保护的作用和范围是相同的。() 发布时间:2019-01-28 14:45 │ 来源:www.tikuol.com 题型:判断题 问题: 变压器的瓦斯保护和差动保护的作用和范围是相同的。()
题型:判断题 Little _____ abut his own safety, though he was in great danger himself. [ ]A. does he careB. did he care C. he cares D. he cared 查看答案