sand gravel filter 砂砾过滤机
silica gravel filter 硅砾过滤器
filled gravel filter 填砾过滤器
cylindrical gravel filter 筒式卵石过滤器
sand and gravel filter 砂砾石过滤器
non-filled gravel filter 非填砾过滤器
gravel bed filter 砾石滤床过滤器 ; 颗粒层除尘器
gravel-pasted filter 贴砾过滤器
gravel packed filter 卵石填料滤池
The gravel filter is the most commonly used filter in all countries nowadays.
砾石过滤器是当今各国最常使用的过滤器型式之一。
After reviewing a few design methods of sand gravel filters, a new design method of filter using broad graded materials is proposed in the paper.
本文在回顾了滤层保砂性设计的几种方法后，提出了广级配砂砾滤层保砂性的设计计算式。
The process includes the waste purification from oil emulsion in Tilted-Plate Separator and the suspension separation in the downward-flow sand-gravel filter.
处理方法包括使用倾斜盘式分离器分离油乳化剂，使用下流式砂砾过滤器分离悬浮颗粒物。
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