lead metal frame
常见例句
- The invention can effectively use metal silver, reduces the cost, improves the bonding force between plastics and the lead frame, and achieves the purpose of anti-layering.
本发明可以有效利用金属银，降低成本，提高塑料与引线框架的结合力，达到防分层目的。
ip.com 返回 lead metal frame