In the upper portion of the sandwich with hydrocyclone guide blade and packing filter layer.

在内夹层的上部设有旋流导向叶片及填料过滤层。

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Recharge well with a filter layer is a kind of valid recharge facilities in groundwater reservoirs.

反滤回灌井是地下水库中一种有效的回灌设施，它由回灌井和井口反滤层组成。

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Maintaining malt shell's integrity and forming loose filter layer whose thickness may increase 15-20%.

可保持麦芽壳皮完整，形成疏松高效的过滤层，滤层厚度可增加15 - 20%。

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Filter material: layer of fine gravel used in slope stabilization structures that allows water to escape and retains soil particles.

UNESCO: L O S S A R Y

Additional software upgrades such as Early On, enhanced Auto-Away and Auto-Schedule features, and Filter Reminder keeps things running smoothly and add an additional layer of customization.

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