Yīn / shān / héng / guàn / Nèi / Měng / gǔ / zhōng / bù / shì / dāng / dì / zhòng / yào / de / shān / mài阴山横贯内蒙古中部,是当地重要的山脉。The Yin Mountains run across central Inner Mongolia and are an important local mountain range.