Water binds particles of dirt to form mud.

水凝结脏物的微粒构成泥巴。

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A technique of temporary screen plugging for fractured reservoirs strata is proposed, by which the solid particles in the mud are used to plug up the fractures.

屏蔽式暂堵技术是利用泥浆中固相颗粒在地层裂缝处形成堵塞而达到暂堵的技术。

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Various size desander and desilter cones are functionally identical, with the size of the cone determining the size of particles the device removes from the mud system.

不同尺寸的除砂器和除泥器锥形功能基本相同，锥体的形状决定了从泥浆系统中能够清除的颗粒尺寸大小。

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"Typically the concentrations are small in red mud and what is present is tightly bound to the particles of iron oxide, " he says.

BBC: How toxic is Hungary's red sludge?