... 污水过滤器,污水过滤池 sewage filter 污水最终沉降池sewage final settling basin 污水最终沉降槽 sewage final settling tank ...
双语例句
1
There were anti-nitrification floating sludge, aged activated floating sludge and floating sludge from biological foam in the finalsettlingbasin of municipal second stage sewage treatment plant.