The paper mainly discusses the automatic switching of the logic estimation circuit of the drum boiler's water level protection system.
文章主要讨论了锅炉汽包水位高低保护系统逻辑判断回路的自动切换。
The utility model relates to a non-contact electronic flash light for vehicles, which is composed of a pulse oscillating circuit, a switching circuit, a temperature automatic protection circuit.
本实用新型汽车无触点电子闪光器是由脉冲振荡电路、开关电路温度自动保护电路所组成。
The utility model relates to a non-contact electronic flash light for vehicles, which is composed of a pulse oscillating circuit, a switching circuit, a temperature automatic protection circuit.
本实用新型汽车无触点电子闪光器是由脉冲振荡电路、开关电路温度自动保护电路所组成。
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