7.the sediments vary from coarse conglomerate to fine silt and clay.
该地带与砾岩和燧石有关。
8.the river's mouth had silted up .
河口淤塞了。
9.The harbor is now entirely silted up.
那港口现在已完全被淤所塞。
10.River sediments gradually silted the harbor.
河流沉积物逐渐使港口淤积
11.An accumulation of silt constricted the entrance to the harbor.
淤沉积使港湾入口变窄；
12.During the annual floods the river deposits its silt on the fields.
每年河水泛滥时都会在田野上沉积一淤。
13.a fine-grained unstratified accumulation of clay and silt deposited by the wind.
一种风沉积而成颗粒细小、不分土和聚集物。
14.The amplitude of the head fluctuation decreases with the storativity and leakage of both semi-permeable layers and increases with the leakance of the silt-layer.
分析表明，承压含水中地下水水头波幅是上、下弱透水贮水率和越流系数减函数，是淤相对透水系数增函数；
15.Leech demands exceeds supply leech renown bloodsucker, have broken blood, pursue action of silt, stimulate the menstrual flow.
【摘要】蚂蟥供不应求蚂蟥又名水蛭，有破血、逐淤、通经作用。
16.The Shuangwang gold-bearing albitite zone, which is composed of stratabound albitite, albitite breccia occurred conformably in the Xinghongpu Group, Devonian silt-slate.
双王含金钠长石岩带主要为状，产于盆系星红铺组粉砂质板岩中。
17.And use the red gritstone silt soil build an embankment which reinforced by two-way tensioned geogrid.
并且利用粉质红砂土修筑了一段双向土工格栅加筋路堤。
18.Centuries of silt deposition and diking has caused the river to flow above the surrounding farmland, making flooding a critically dangerous problem.
几世纪淤沉积以及筑堤导致了河水六向周围农田，造成洪水泛滥严重后果。
19.The grayish-yellow silts/fine-grained-sands have a magnetic mixture of magnetite and maghemite, characterized by strong magnetism and relatively coarser magnetic particles.
;
;
淤
；煤粉；残渣
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小河淤塞了。
淤
