硝化细菌将氨氧化为亚硝酸和进一步氧化为硝酸。 固氮细菌将氮气转化为化合物，进一步被硝化细菌氧化为硝酸。[详细]
雨裳承欢 2022-03-26 21:49 开发者_如何转开发 可以啊，没什么忌讳的，只要孕妇身体条件允许就没问题，就尽量不要太劳累，如果说需要爬山的话，就尽量多休息几次再爬上去。[详细]
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