The average operation (or process, service) expenses of the port facilities is point to the cost which were cost by the port facilities when they were operating or do some servicing per tone of the cargo.
港口机械设备的平均单位作业(加工、服务)费用，是指某种或某一类机械、设备或设施装卸(或加工、服务作业)单位数量的某货类(或产品)时平均花费的费用。
参考来源 - 确定港机平均单位作业费用新方法及应用系统研究·2,447,543篇论文数据，部分数据来源于NoteExpress
It is not surprising that some of most common buildings were storage facilities and port facilities.
一些最常见的建筑是仓储设施和港口设施，这并不奇怪。
At a distance one can see a bay with modern port facilities.
远处能看到一个拥有现代港口设施的海湾。
They quickly seized the city's oil installations, airport and port facilities.
他们迅速抢占城内的石油设施、机场和港口设施。
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