求翻译：2002年，县人民政府投资对码头进行了维修扩建，在上游增建泊船平台50米，并沿江修建码头至飞瀑桥人行风景道180米。是什么意思？

In 2002, the county people's government investment for the maintenance of the terminal expansion, construction of additional berthing platform in the upper 50 meters and the construction of piers along the river to waterfalls, scenic pedestrian bridge road 180 meters.

In 2002, county government investment in the piers for the maintenance and expansion in the upstream construction of additional berthing platforms built along 50 meters, and bridge pier to waterfalls and scenic road 180 meters.

In 2002, the county people's government investment has carried on the service extension to the wharf, additionally constructs in the upstream moors a ship the platform 50 meters, and constructs the wharf to fly along the river the waterfall bridge person good scenery to say 180 meters.

In 2002, the county people's Government investment to repair the terminal expansion, additional berthing platform at the upper reaches 50 meters, and construction of the pier to the waterfall bridges along the pedestrian landscape road of 180 meters.

In 2002, the county people's Government investment to repair the terminal expansion, additional berthing platform at the upper reaches 50 meters, and construction of the pier to the waterfall bridges along the pedestrian landscape road of 180 meters.