bed load

• 底沙,推移质,底负载

bed load的用法和样例：

例句

1. The instantaneous sediment transportof suspended and bed load are computed, and the sediment transport rates are time-averaged over one wave period.
   计算了波浪周期内各个时刻瞬时的悬移质和推移质泥沙输沙率，并对输沙率进行时间平均求得时间平均的输沙率。