第三纪和晚侏罗纪时期沉积的弱胶结粉细砂层在我国东北、南地区有广泛的分布。

Weak cemented fine quicksand layer deposited at the Tertiary Period and Jurassic Period is widely distributed in China's northeast and southwest regions.

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第三纪和晚侏罗纪时期沉积的弱胶结粉细砂层在我国东北、南地区有广泛的分布。

Weak cemented fine quicksand layer deposited at the Tertiary Period and Jurassic Period is widely distributed in China's northeast and southwest regions.

youdao