在原油销售前，气体、水和其它杂质必须脱除(水和其它杂质统称底部沉积物和水)，这种分离过程称为原油处理。
The gas, water, and other impurities (known as basic sediment and water) must be removed before selling the oil. This separation process is called oil treating.
在正常的水相中，残留的磷会自己移动，沉淀到海洋底部，并混合到海洋沉积物中。
In the normal water phase, the remaining Phosphorus makes its way, settles to the bottom of the ocean, and gets mixed into ocean sediments.
钙质或碳酸钙越近现代，所构成凝灰岩地层的沉积物越靠近底部，颜色也比较浅。
The more recent calcareous, or calcium carbonate, deposits that make up the tufa formations are closer to the bottom and lighter in color.
海洋板块的岩石，玄武岩，以及覆盖其表面的沉积物被拉沉到海洋底部，充当移动大陆的传送带机制的一部分。
The ocean floor rock, basalt, along with the sediment that built up on top of it, was drawn down at the edge of an ocean as part of the conveyor-belt mechanism that moves the continents.
我们可以看到，现在的湖底或浅海底部的沉积物中形成了波痕。许多沉积岩都含有类似这种波痕的特征。
Many sedimentary rocks contain such features as ripple marks, exactly like those we can see forming in sediments at the bottom of present-day lakes or shallow seas.
趋磁性细菌分布范围很广，在湖泊和池塘底部的沉积物和沿海区域均有分布。
They exist all over the globe, living in lake and pond sediments and in ocean coastal regions.
三角洲平原分流河道沉积底部泥砾较发育，沼泽沉积中发育植物根和褐煤沉积；三角洲前缘河口砂坝沉积物粒度较平原决口扇粗。
Mud gravel is often found in the base of distributary channel sediment, plant root and lignite often develop in the swamp sediment.
一种线性的底部下凹的洼地，水和沉积物可以从中流过，沉积物可沉积在其中呈有特点的、往往是纵长的沉积体。
A linear, commonly concave-based depression through which water and sediment flow and into which sediment can be deposited in distinctive, often elongated bodies.
由于通常在炉管底部有较厚的沉积物，故此清洗方法可将炉管底部清洗干净，且清洗液不会对炉管其它部位造成过度侵蚀。
As the bottom part of this pipe has more deposit usually, so this method can make the stovepipe more cleaner, and control the quantity of the washing liquid cannot corrode the other part of this pipe.
由于通常在炉管底部有较厚的沉积物，故此清洗方法可将炉管底部清洗干净，且清洗液不会对炉管其它部位造成过度侵蚀。
As the bottom part of this pipe has more deposit usually, so this method can make the stovepipe more cleaner, and control the quantity of the washing liquid cannot corrode the other part of this pipe.
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