短語詞組短語impact excitation tests 鎚擊試騐impact endurance test excitation 沖擊激勵direct impact excitation 直接碰撞激發(fā)Derict impact excitation 直接碰撞激發(fā)an impact excitation 碰撞Measurements using impact excitation 沖擊激勵法hammer impact excitation 鎚擊激振electron impact excitation 電子碰撞激發(fā)excitation impact 撞擊激發(fā) 返回 impact excitation