The anti - rinse prosses is the last step of deep bed filter.

反冲洗过程是深层过滤的最后环节。

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Meanwhile , the filtration capacity of the deep bed using the uniform media is analyzed and valuated.

同时，对均质滤料的过滤性能进行了分析、评价。

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We also discovered that the bedrock deformation is related to its depth under ground, increasing gradually from rock surface to deep bed.

此外发现基岩变形与深度有关，由表层逐步向深层增大，还总结了基岩不同深度与变形的相关关系。

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These few survivors, she explains, follow the fish in the dry season to deep pools in the bed of the river near Kratie, in Cambodia.

ECONOMIST: The Mekong river

Commander Hadfield believes that the ISS provides the perfect test bed for developing deep space travel capabilities.

BBC: Chris Hadfield says Nasa's job is not to 'titillate'

The US space agency has been running the programme since 2001, using the 20m-deep Aquarius habitat as its test-bed facility.

BBC: UK astronaut Tim Peake makes 'asteroid splashdown'