一级处理 primary treatment

化学强化一级处理 CEPT ; Chemically Enhanced Primary Treatment ; chemical enhanced primary treatment process

一级氧化处理 first stage oxidation treatment

一级强化处理 enhanced primary treatment

一级处决 Sista kontraktet

强化一级处理 enhanced primary treatment ; intensified primary treatment

污水一级处理 primary treatment of sewage

废水一级处理 primary wastewater treatment

一级中断处理程序 first-level interrupt handler ; level interrupt handler ; FLIH

一级污水处理 primary sewage treatment