自然产生的和人类工程活动引起的滑坡灾害在我国都相当严重。

The naturally occurred and human engineering activity induced landslide hazards are rather serious in China.

youdao

自然产生的和人类工程活动引起的滑坡灾害在我国都相当严重。

The naturally occurred and human engineering activity induced landslide hazards are rather serious in China.

youdao