n.
1.[U]沉淀物
2.【地】沉积物
1.[U]沉淀物
2.【地】沉积物
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- The Gona tools lay undisturbed until annual flooding of the nearby Awash river uncovered layers of sediment and the fossilized tools
附近一年一度泛滥的阿瓦什河将一层层的沉积物和已成化石的石器展现在我们眼前。在此之前,戈纳石器无人触动。收藏 - celestite is usually diagenetic but commonly forms very early in the history of the sediment
天青石一般是成岩期的,但通常是在沉积史的极早期形成的。收藏 - The System helps prevent sediment build up in tank. Increases first hour delivery of hot water while minimizing temperature build up at top of tank.
这种系统有助于最大限度减少热水器内胆产生水垢,有利于增加热水供应量,减少流进的冷水对水温变化的不利影响。收藏 - Drain it at least once a month. Failure to do this may result in noisy operation and lime and sediment buildup in the bottom of the tank.
至少每个月要排水一次。如果没有这样做,可能会导致热水器运转有噪音,在内胆底部沉淀石灰和水垢。收藏 - Such rapid influxes of sediment probably overwhelm the bottom dwellers in an area
沉积物如此迅速的汇集可能把这一地区的海底生物全部淹没了。收藏
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