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Terms for subject Ecology containing Double | all forms | exact matches only
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alternating double filtration交替两级过滤
alternating double filtration交替复过滤
double and redouble翻两番
double-bed filter双层滤料滤池
double bent双弯弯头
double channel双频道
double chlorination双氯化法指二次加氯
double cyclone双级旋风分离器
double DE type oxidation ditch双沟 DE 型氧化沟
double erosion两相侵蚀
double filtration二次过滤
double filtration复过滤
double-layer filter双层滤料滤池
double layer filter双层滤料过滤器
double layer structure双层结构
double-return siphon乙字存水弯
double-socket pipe双承口管
double stage digester双级消化池
double staining双重染色
double storey settling tank双层沉淀池
environmental double dividends环境倍加红利
transition of double socket双承口转变