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大家在搜： self-rating scale self-recording instrument Self-reference effect self-regulating Self-renewal self-pollination self-observation selfish DNA Self-introduction self-incompatibility

self-purification of stream

美 [self ˌpjʊrɪfə'keɪʃ(ə)n əv striːm]英 [self ˌpjʊərɪfɪ'keɪʃ(ə)n ɒv striːm]

网络河流自净

self-purification of stream

self-purification of stream

双语例句

1

A study of self-purification mechanism of mountain stream to domestic sewage pollution

关于山区溪流对生活污水自净机理的探讨

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