作者zenxy (拜託有點邏輯)
看板Geography
標題Re: [問題]幾個名詞
時間Wed Apr 5 15:53:10 2006
※ 引述《jiaer (豬的日子)》之銘言：
bed load
→The material which is move along a river bed by rolling and pushing,and
saltation.Bed load is usually composed of sands and pebbles but when the
water level is high and the current strong,boulders may be moved.
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