Rotterdam Isticmaalaha korontada heerarka hydraulicka, Rotterdam heerarka sare ee hydraulicka, Rotterdam heerarka sawirida Rotterdam iyo heerarka hydraulicka iyo Rotterdam oo leh alaab aad u badan, qiimaha aad u fiican, qiimaha dheer, durdurka, iyo isticmaalka kala duduwan. Welcome to wir and iibso Rotterdam macaamiisha cusub iyo gaboobay