Aluminium is one of the easiest materials to keep in good condition.
2
所谓变化就是一种状态从原态发成到不同。
Change means that a state occurs from same to different.
3
新型竹质工程材料——弧形原态重组竹的开发，为竹材的高效利用提供了一条新的途径。
The development of new bamboo engineering material:recombinant bamboo made from laminated circumferential sections provide a new way for bamboo efficient utilization.
点击反馈