sediment sampler

... ) bed-load sampler 推移质采样器 ) sediment sampler 悬沙采样器 ) tray or pan type bed load sampler 盘式推移质采样器 ...

沙卵石,Sediment... ... ) Gravel bed-load 沙卵石推移质 ) Sediment Sampler 沙卵石 ) sand-gravel shoal 沙卵石滩 ...