As soon as the switch was closed the switch burst and the new switch did not dare to close. This

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[@user-s54028kiss]

真牛阿果然真功夫👍👏

[@ccshello1]

變頻器的三相輸出用的是六顆 IGBT管 (三顆上橋、三顆下橋)，不是用 MOSFET 管。

[@lawml6736]

😂我还已为会找扫地僧修呢

[@hongkongsmartboy]

❤

[@WeiGe-8888]

*老实说，收了多少钱？💓*

[@jianjiang4374]

太俗了吧，是展示技术，不是说赚多少钱的问题