1)slot type bed load sampler,孔式推移质采样器2)tray or pan type bed load sampler,盘式推移质采样器3)bed-load sampler,推移质采样器4)sample container,悬移质采样器5)instrument of collecting water samples by utilizing atmospheric pressure,负压式水质采样器6)bottom sampler,底质采样器
用法和例句
Study and application of the instrument of collecting water samples by utilizing atmospheric pressure;
