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- 兩級SBRTSSBR
- 兩級SBR工藝處理小城鎮生活污水研究REASEACH ON TREATMENT OF SMALL TOWN WASTE WATER BY TWO-STAGE SBR PROCESS
- 兩級SBR工藝除磷脫氮自動(dòng)控制實(shí)驗研究The Experimental Research on Phosphorus and Nitrogen Removal in Two-stage SBR Process by Automatic Control
- 兩級SBR工藝two-stage SBR process
- 兩個(gè)two
- 三級SBRThree-stage SBR process
- 三級SBR法除磷脫氮研究Discussion on Three-stage SBR Process for Phosphorus and Nitrogen Removal
- 兩級two-stage
- 三級SBR除磷脫氮工藝處理生活污水Domestic Sewage Treatment Using Three-stage SBR Denitrification and Phosphorus Removal Process
- 他是耶魯大學(xué)比我高兩級的學(xué)生。He was my senior at Yale by two years.
- 兩級系統a two-tiered system
- 他一次跑上兩級階梯。He ran up the steps two at a time.
- 兩級過(guò)濾double-filtration
- 兩級管理制a two-tier system of management
- 兩級法two step method
- 兩級OTAtwo stage OTA
- 兩級制two- level system
- 兩級環(huán)two-level-loops
- 兩級DBFtwo-step DBF
- 兩級泵two-stage pump
