Sidee loo xalliyaa qaladka booska booska korantada? Faa'iidooyinka iyo khasaaraha ee valve korantada iyo valve pneumatic
Sidee loo xalliyaa qaladka booska booska korantada? Faa'iidooyinka iyo faa'iido darrada valve korantada iyo valve pneumatic booska korantada korantada, oo sidoo kale loo yaqaan 'pneumatic valve positioner', waa qalabyada ugu muhiimsan ee nidaamiyaha, oo badanaa lagu isticmaalo pn ...
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