speed ratio on constant power
speed ratio on constant power
[铁道科技英汉词典]
speed ratio on constant power恒功调速比
是什么意思，speed ratio on constant power的解释，speed ratio on constant power的翻译
speed ratio on constant power
[铁道科技英汉词典]
speed ratio on constant power是什么意思，speed ratio on constant power的解释，speed ratio on constant power的翻译