speed-governing system
speed-governing system
[铁道科技英汉词典]
speed-governing system调速系统
是什么意思，speed-governing system的解释，speed-governing system的翻译
speed-governing system
[铁道科技英汉词典]
speed-governing system是什么意思，speed-governing system的解释，speed-governing system的翻译