machine factory 和 machinery factory 区别
Machine和Machinery有什么区别
machinery和machine有何区别
machine与machinery区别用法
machine和machinery的区别是什么?各自怎样用啊?
factory和plant的区别?
in a factory 和at a factory的区别
this factory produces machine tools
factory
Machine & Machinery
请问industry和factory有什么区别?
机器厂 英语是什么?是不是machine factory?
The factory has bought a new machine