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Rail Transit Tshuab Cua Txias
Nrog 10 xyoo kev txhim kho, SONGZ muaj ntau yam qauv AC rau cov tsheb nqaj hlau, xws li AC rau hauv tsheb ciav hlau, tsheb ciav hlau, monorail, metro, tsheb ciav hlau thiab lwm yam. Peb xav qhia qee tus qauv hauv qab hauv qab no rau koj siv.
