2026-04-13 23:32 浏览次数 27
卵石沙波
The pebble ripples of Chechuan groove, new groove, and old groove are wave trough, but they likely develop to wave crest.
扯船槽、新槽、老槽目前为卵石沙波的波谷,但极有可能发展成波峰;卵石沙波运动较为缓慢;