橙C is the winner for the 15 th, congrats!? 题目(originating): it's a type of chemical engineering equipment,two words.the initial of the sec ... 呵呵,其实这个东西要渗入推理的东西是比较难的,因为需要在化工上面做文章,这样范围就比较窄了。若是提示太多的话,大家一猜即中,毕竟大家都是专业人士……,这样就少了推理的过程,即一步步猜测的过程,又少了不少乐趣……查看更多