vibration excited by dropping weight
vibration excited by dropping weight
[公路科技英汉词典]
vibration excited by dropping weight落物激振
是什么意思，vibration excited by dropping weight的解释，vibration excited by dropping weight的翻译
vibration excited by dropping weight
[公路科技英汉词典]
vibration excited by dropping weight是什么意思，vibration excited by dropping weight的解释，vibration excited by dropping weight的翻译