La Circuit Design class-H, power supply with synchronous rectification switching power supply, light weight, small size, especially suitable for mobile performance of anti-sound applications.
LA系列采用高效H类电路，电源采用同步整流的开关电源，重量轻、体积小，特别适合流动演出扩声应用。
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The nodulizing power of the La-Mg nodulizer and its influences on the chilling sensitivity of nodular cast iron and the property of anti-degeneration were studied.