Good selection of material is half of success in sports.
好的选材是竞技体育成功的一半。
The construction-design and the selection of material for bottle and its cover were introduced.
介绍了瓶身、瓶盖的结构设计及材料的选择。
The construction-design and the selection of material for bottle and its cover were introduced.
介绍了瓶身、瓶盖的结构设计及材料的选择。
应用推荐