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Controle automático de instrumentos, o que significa PR aqui?

2020-08-31View Original

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Não sei se algum especialista aqui sabe o que significa PR
Reply #22020-08-31
Na imagem que você capturou, há um relé pneumático
Reply #32020-08-31
Relé pneumático, um atuador pneumático, pode ser considerado como um amplificador pneumático.

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