河谷型城市是城市主体在河谷中形成和发育的一类城市。
The valley city is a type of city whose main part has formed and developed in the valley.
金沙厂铅锌矿床是赋存于震旦系灯影组中的密西西比河谷型矿床。
The Jinshachang Pb-Zn deposit occurs in Dengying Formation (Sinian), belonging to Mississippi valley type.
河谷型城市由于受到山脉的限制和河流的分割，地域空间狭窄，城市交通问题突出。
Owing to the river-valley type of the city limited by the mountain range and cut by the rivers, the regional space is narrow and the urban traffic problems are serious.
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