I was walking the floor and listening to Khachaturyan working in a tractor factory.

我走在地板上， 听 Khachaturyan 在拖拉机厂工作。

These marvelous machines are manufactured by CMH Industrial at its Fargo, North Dakota tractor factory.

这些奇妙的机器由 CMH Industrial 在北达科他州法戈拖拉机工厂制造。

The corn lobby adds that recent doubts over the future of ethanol quotas have hit farm incomes and cost jobs, including at Iowa tractor factories.

玉米游说团体补充道，近期对乙醇未来在能源中所占比重的猜疑打击了农产品收入，造成了失业，包括爱荷华州的拖拉机工厂也遭受打击。