港口作业材料库存控制
inventory control of operation material of port
港口前沿作业系统
Port Transportation and Production System
港口水上过驳作业暂行办法
Interim Procedures Concerning Lightering Operation on Anchorage at Harbour
香港港口发展局
hong kong port development board
香港港口及航运局
Port and Maritime Board
Hong Kong Port and Maritime Board
农业作业服务组织
agricultural operations service organization