... preheating chamber 预热室 preheating circuit 预热回路 preheating compartment 预热室 ...
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two-stage preheating circuit 二级预热系统
The efficient electronic ballast is composed of rectifier-filter circuit, high-frequency inverse transforming circuit, power regulation circuit and filament preheating circuit.
本发明提出了一种高效电子镇流器,由整流滤波电路、高频逆变电路、功率调节电路及灯丝预热电路组成。
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