OLAND process is the novel biological denitri fi cation process developed based on the nitrous nitrification-anaerobic ammonia oxidation technology.

O LAND工艺是基于亚硝酸型硝化— 厌氧氨氧化脱氮技术而开发的生物脱氮新工艺。

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In early silent films, he was played by Asian actors, but later producers would cast Westerners in the part, first Warner Oland and later Sidney Toler.

在早期的无声电影中，陈查理由亚裔演员扮演，但是后来却换成西方人扮演了，开始是华纳·奥兰，后来是悉尼·托勒。

youdao

In early silent films, he was played by Asian actors, but later producers would cast Westerners in the part, first Warner Oland and later Sidney Toler.

在早期的无声电影中，陈查理由亚裔演员扮演，但是后来却换成西方人扮演了，开始是华纳·奥兰，后来是悉尼·托勒。

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