消火栓系统、自动喷水灭火系统管路的无缝钢管采用()连接。A.螺纹 B.承插式 C.扩 发布时间:2017-12-19 03:30 │ 来源:www.tikuol.com 题型:单项选择题 问题: 消火栓系统、自动喷水灭火系统管路的无缝钢管采用()连接。A.螺纹B.承插式C.扩口式D.法兰
题型:单项选择题 - We will have a school trip next week. - That sounds_______. I'm sure we will have a good time there.A.wellB.badlyC.badD.good 查看答案
题型:单项选择题 It takes us about ____ hour to get to the Yangzhou-Taizhou Airport from Taizhou by ____ bus.A.an; aB.a; theC.an ; /D.a ; / 查看答案