activated sludge process

treatment process used in sewage plants

en-GB/ˈæktɪveɪtɪd ˈslʌd͡ʒ ˈpɹəʊsɛs/
en-US/ˈæktɪˌveɪdɪd ˈslʌd͡ʒ ˈpɹɑˌsɛs/

ক্যাটাগরি:

process