求翻译：株洲拥有千吨级码头，船舶通过湘江可常年直抵长江沿岸城市。2013年，长沙航电枢纽建成，湘江水位整体提升3米以上，湘江常年通航能力将达到3000吨级。是什么意思？

The Zhuzhou kiloton terminals ship through the Xiangjiang perennial straight to the cities along the Yangtze River. 2013, Changsha avionics hub built in the Xiangjiang River water level as a whole to enhance more than 3 meters, Xiangjiang annual shipping capacity will reach 30 million ton.

Zhuzhou has 1000 tons by Marina, Xiangjiang River ship year round in cities along the Yangtze River has always been. In 2013, Changsha aeronautical hub built, Xiangjiang River water levels up to 3 meters above the Xiang River, navigable all year round capacity will reach 3000 tons.

Zhuzhou has thousand ton level wharves, the ships may year to year go straight to the Yangtze River coast city through the Xiangjiang River.In 2013, the Changsha navigation electricity key position completes, the Xiangjiang River water level whole promotes above 3 meters, the Xiangjiang River will y

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