二灰稳定粒料基层中的粉煤灰，易使路面起拱的成分是（ ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='26169' and id < 2192880 and id<>'2192880' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26169' and id > 2192880 and id<>'2192880' order by id asc limit 5