Siltoun.锡尔图(在乍得；东经 15º33' 北纬 16º46')siltn.淤泥v.(使)淤塞Silt Discharge of Reservoirs水库排沙silt-determination measure泥沙测验siltation of approach channel引航道淤积siltation in approach channel航道回淤silt removal by water jetting沉井冲水排土Silt Curtain for Loading Jetty码头的淤泥围幕silty sand foundation treatment砂质粉土地基处理siltation downstream of tidal barrage闸下淤积Silt discharge and dike reinforcement放淤固堤silt particle size analysis instrument泥沙粒度分析仪