Material Chemistry:The Future of Metal Casting
From tiny zipper tips to aircraft engine parts， from the extremely simple to the incredibly complex， casted metal products are important part of our lives. Today we'll examining matal casting， a fascinating process crucial to many products we enjoy nowdays and will come to depend on tomorrow.
- Added：2006
- Country：America
- Duration：30
- Time of update：2011/8/16 14:00:41