你即將離開本站

並前往https://www.usgs.gov/media/images/water-caused-erosion-river-rocks-0

Water-Caused Erosion in River Rocks | U.S. Geological Survey

Image: Water-Caused Erosion in River Rocks ... The holes in the center rock are caused by circulating water holding a smaller rock or pebble ...

確定！ 回上一頁

查詢 「Rock erosion」的人也找了：

  1. Erosion
    2.
  2. Wind erosion
    3.
  3. River erosion
    4.
  4. How to stop erosion
    5.
  5. Coastal erosion
    6.
  6. erosion中文
    7.
  7. Weathering and erosion
    8.
  8. Rock erosion
    9.