唐山，是一座具有百年历史的沿海重工业城市。
Tangshan, is a century-old industrial cities along the coast.
陕西主要工业城市是西安，该市重工业、轻工业种类齐全。
Shaanxi's main industrial city is Xi'an, which has a variety of heavy and light industries.
陕西主要工业城市是西安，该市重工业、轻工业种类齐全。
Shaanxi's main industrial city is Xi'an, which has a variety of heavy and light industries.
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