灭火器压力表压力指示分红黄绿三个显示区域,其中绿色区是指什么? 发布时间:2018-04-04 17:06 │ 来源:www.tikuol.com 题型:问答题 简答题 问题: 灭火器压力表压力指示分红黄绿三个显示区域,其中绿色区是指什么?
题型:问答题 简答题 My friend likes ______ and ______ very much. [ ]A. to swim; to run B. to swim; running C. swimming; running D. swimming; to run 查看答案