A sea shipping network is constructed based on the prediction of importation of iron ore in China within this decade.

本文在预测了本世纪末我国铁矿石进口的基础上构筑了其海运网络。

youdao

A sea shipping network is constructed based on the prediction of importation of iron ore in China within this decade.

本文在预测了本世纪末我国铁矿石进口的基础上构筑了其海运网络。

youdao