Methods A cross sectional and a retrospective cohort study and animal experiment were carried out.
方法采用横断面调查、回顾队列调查和动物实验等方法。
The leaching methods of complex antimony slag have been researched through cross experiment ways.
采用正交试验方法,研究了对某复杂含钢锑渣的浸取方法。
The leaching methods of complex antimony slag have been researched through cross experiment ways.
采用正交试验方法,研究了对某复杂含钢锑渣的浸取方法。
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