·2,447,543篇论文数据,部分数据来源于NoteExpress
Mechanical casting Industry has completed industrial upgrade and begun the transition to new products such as equipment manufacturing and precision castings, etc.
机械铸造业已完成产业升级,开始向装备制造、精密铸件等新产品转型。
youdao
应用推荐
模块上移
模块下移
不移动