常見例句雙語例句The secondary flow in river bends has significant effects on flow velocity and sediment concentration distribution in the transverse direction.摘要彎道環(huán)流是影響斷麪流速和含沙量分佈的重要因素。The water surface level, velocity field and sediment concentration field of gravel sand bed and sand bed reach on Jianjiang river were refined simulated.細(xì)致地模擬了荊江卵石夾沙河牀及沙質(zhì)河牀淺灘河段的水麪線、流速場、含沙量濃度場及河牀變形。The operation design must meet with its operation conditions of the operation level, design inflow discharge, sediment concentration, sediment settlement design standard and the operation time.運行設(shè)計應(yīng)滿足沉沙池運行水位、設(shè)計入池流量、含沙量、泥沙沉降設(shè)計標(biāo)準(zhǔn)和運用時間等運用條件。 返回 sediment concentration