bonded-type相关论文
Bonded type RE3+ doped luminescent co-polymer was synthesized by solution free radical copolymerization. The influence o......
提出了一种贴片式三角形旋转超声电机,该电机采用贴片式结构,实现了电机的小型化设计。该电机将6片d31模式的压电陶瓷片粘贴在一个......