... bottom sediments 底沉积 ; 底脚 organic sediments 有机沉积物 siliceous sediments 硅质沉积 ...
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海底沉积物 submarine sediment ; [海洋] bottom sediment ; marine bottom sediment
底沉积物 bottom settlings ; bottom sediment
水底沉积 subaqueous deposit ; bottom deposit
水底沉积物 [环境] benthic deposit ; bottom sediment ; [环境] benthal deposit
海底沉积 bottom deposit ; thalassogenic sedimentation
吹除炉底沉积 blow down a boiler
洋底沉积 fondothem
少泥湖底沉积 oligopelic deposit
河底沉积 river bottom sediment ; river bottom deposit
就在那一年的十月月底，研究生亨利·吉尔伯特野外考察时在达卡沉积层上发现了一片头盖骨，随后该研究小组在头盖骨周围出土了一块重达四五十公斤的砂岩块，并用石膏和医用绷带包住带了回来。
Late in December 1997—a boom year for hominid fossils in the Middle Awash—graduate student Henry Gilbert noticed the top of a cranium eroding out of the Daka sediments.
而机底油箱又不易于排污和维护，从而使油污形成沉积。
And the fuel tank and not easy to sewage and maintenance, thus make oil sedimentary formation.
证据是一些碎片的沉积物被偶然流过的水冲到了坡底。
Telltale deposits of debris suggest that sediments were washed downhill by occasional liquid flows.
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