Xinjiang has a very rich sand and gravel material which occupies one-sixth of the national territory area and is sparsely populated.
新疆占据全国疆域面积的六分之一，地广人稀，有着极为丰富的砂砾石材料。
Xinjiang has a very rich sand and gravel material which occupies one-sixth of the national territory area and is sparsely populated.
新疆占据全国疆域面积的六分之一，地广人稀，有着极为丰富的砂砾石材料。
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