quartz filter sand 石英砂滤料
sand filter 砂滤器 ; 沙滤池 ; 沙过滤器 ; 沙滤层
Slow sand filter 慢沙滤 ; [建] 慢砂滤池 ; 慢滤池 ; 慢砂滤器
sand filter bed 砂滤床 ; 砂滤层
Filter sand barrels 过滤砂桶
ceramic filter sand 陶瓷滤料
zeolite filter sand 沸石滤料
magnetite filter sand 磁铁矿滤料
sand-bed filter 砂滤器 ; 砂床过滤器
Uses: widely used in industry and construction, filter sand, filter liquid and gas.
用途：广泛用于工业及建筑业，筛选砂粒，过滤液体及气体。
A filter sand riddle is installed in the head desanding tube and in each desanding tube in the middle, and a magnet is installed in the end desanding tube.
首节及中间各节除砂管内装有滤砂筛，末节除管内装有磁铁。
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