The doctor reveals the family pollution source ranking refrigerator is the runner

The 2010 Family Health Report, implemented by the Global Health Council, shows that surfaces such as bathrooms, refrigerators, kitchen rags, and kettle handles are frequently contaminated with mold, and many households do not know how to effectively disinfect them, causing family members to suffer from bacteria. . At the same time, the latest survey data of the Global Health Council

Stud Triac is developed on the basis of common thyristors. It can not only replace two thyristors with reverse polarity in parallel, but also requires only one trigger circuit and is an ideal AC switch device. . Its English name TRIAC is the meaning of the triac.

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