The results show that the viscoelasticity of PCB and its size have distinct influence on dynamic properties of PCB under board-level drop impact.是什么意思_The results show that the viscoelasticity of PCB and its size have distinct influence on dynamic properties of PCB under board-level drop impact.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句