natural period of vibration
[航海英汉词典]
natural period of vibrationn.固有振动周期
是什么意思,natural period of vibration的解释,natural period of vibration的翻译
[水利科技英汉词典] natural period of vibration
natural period of vibration
[航海英汉词典]
natural period of vibration是什么意思,natural period of vibration的解释,natural period of vibration的翻译
[水利科技英汉词典] natural period of vibration