Tier II equipment is also designed for the general freight system, with speeds up to 150 mph.
第二级设备也是为通用货运系统设计的，用于那些时速达到150英里（240公里）的线路。
Other specialized ships (containerships) carry general freight in standardized containers that can be easily loaded, unloaded, and transferred.
其它一些专门的船舶(如货柜船)以标准的货柜载运一般的货物，很容易装卸和转运。
Other specialized ships (containerships) carry general freight in standardized containers that can be easily loaded, unloaded, and transferred.
其它一些专门的船舶(如货柜船)以标准的货柜载运一般的货物，很容易装卸和转运。
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