题目内容

下列情况中应浇洒透层沥青的是()。

A. 沥青路面的级配砂砾、级配碎石基层
B. 旧沥青路面层上加铺沥青层
C. 水泥混凝土路面上铺筑沥青面层
D. 有裂缝或已修补的旧沥青路面

查看答案
更多问题

售后服务人员包括哪些?

如何理解贯彻保教结合的原则?

描述内核在两个进程间进行上下文切换的过程。

He is over fifty, but he looks as though he()only in his thirties.

A. were
B. is
C. will be
D. has bee

答案查题题库