... 砂心压坏crush of core 砂心摇台core cradle 砂心硬度core hardness ...
基于79个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress
The Yellow River Alluvial Plain is the cradle of the Yellow River civilization, and the Heluo area serves as the core in inheriting and spreading the civilization.
黄河冲积平原是黄河文明的摇篮，河洛地区是传承文明的核心。
youdao
应用推荐
模块上移
模块下移
不移动