FKQ3204型防喷器控制系统管汇溢流阀的开启压力为34MPa。 发布时间:2017-07-22 03:17 │ 来源:www.tikuol.com 题型:判断题 问题: FKQ3204型防喷器控制系统管汇溢流阀的开启压力为34MPa。
题型:判断题 请根据下面提示,写一篇短文,词数不少于50.In your spoken Endlish class, your teacher shows you the following picture. You are asked to describe the picture and explain how you understand it. 查看答案