We has brought forward a new method of analysing amplifier current path, and has got the equation of Alternating load line directly.
文章提出了一种新的分析放大器电流通路的方法，并由此直接得到了交流负载线方程。
The most crucial point to the dynamic analysis is the drawing of alternating current load line .
动态分析的对象是交流通路，图解法动态分析的关键是作交流负载线。
Hot strip working roller endure the major alternating load on line, if control unsuitable easy to cause accident occurrence.
热轧带钢工作辊在轧制生产中，承受较大的交变载荷作用，在轧制生产中如果控制不当，极易出现轧制事故。
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