double track packing machine

例句：

1. 1. This double track packing machine canpack a large number of goods in ashort time.
   这台双轨包装机可以在很短的时间内打包大量的货物。
2. 2. The doubletrack packing machine is widely used in thepackaging industry.
   双轨包装机在包装行业得到了广泛的应用。
3. 3. The double track packing machinehas many advantages over traditional packaging methods.
   双轨包装机相对于传统的包装方法有很多优点。