快沙滤池 快速沙滤池

rapidsandfilter  detail>>

快速沙滤池

rapid sand filter  detail>>

快沙滤池

rapid sand filter  detail>>

沙滤层；沙滤池

sand filter  detail>>

快速沙滤器

rapid-sand filter strainer  detail>>

间歇沙滤池

intermittent sand filter  detail>>

砂滤器，沙滤池

sand filter  detail>>

生物沙滤池

biological sand filter  detail>>

压力沙滤池

pressure filters  detail>>

快沙滤

rapid sand filter  detail>>

速沙滤

rapid sand filter (pressure filter) rapid sand filter （pressure filter）  detail>>

沙滤

sand filtration  detail>>

滤池

filter; filter chamber ◇滤池明矾 filter alum  detail>>

慢沙滤

slow sand filter  detail>>

沙滤层

sand blanket sand filter sand-filter bed  detail>>

敞式沙滤器

open filter  detail>>

沙滤沉淀池

permutite precipitator  detail>>

初滤池

preliminary filter preliminary screening tank  detail>>