the western mountainous area

• 西部山区

the western mountainous area的用法和样例：

例句

1. Sub-tropical tree species in the western mountain sumac has a broad distribution.
   亚热带树种漆树在西部山区有着广泛分布。
2. Qu Xiaoyi is located in the town of Yangquan City, the western mountains, is a more typical type of industrial township.
   阳泉曲镇地处孝义市西部山区，是一个较为典型的工矿型乡镇。