青云翻译

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Slow transport, ports, water, season, climate impact is large, so the longer one year break in the transport.

The transporting velocity is slow, the harbor, the water level, the season, the weather effect is been big, thus in a year interrupts the transportation the time to be long.

正在翻译，请等待...

Slow transport, ports, water, season, climate impact is large, so the longer one year break in the transport.