barring mechanism,barring gear
barring mechanism,barring gear
[铁道科技英汉词典]
barring mechanism,barring gear盘车机构
是什么意思,barring mechanism,barring gear的解释,barring mechanism,barring gear的翻译
barring mechanism,barring gear
[铁道科技英汉词典]
barring mechanism,barring gear是什么意思,barring mechanism,barring gear的解释,barring mechanism,barring gear的翻译