周期: period; cycle; circle; revolution; round; complete alternation 短语和例子产业周期 industrial cycle; 经济周期 economic cycle; 商业周期 business cycle; trade cycle; 生产周期 production cycle; 再生产周期 cycle of repr
Example Sentences:
1.
Several kinds of the anode geometry size and the structural parameters and collocations were analyzed . the reasonable structure and operation method of the aluminum cell anodes were proposed 摘要通过对国内外几种阳极几何尺寸、配置的结构参数分析;从铝电解槽换极周期、阳极生产工艺等方面提出了铝电解槽阳极的合理结构,操作方式。