excavating machine,excavator
excavating machine,excavator
[铁道科技英汉词典]
excavating machine,excavator挖掘机
是什么意思，excavating machine,excavator的解释，excavating machine,excavator的翻译
excavating machine,excavator
[铁道科技英汉词典]
excavating machine,excavator是什么意思，excavating machine,excavator的解释，excavating machine,excavator的翻译