Impamvu ya BFD / BFe 2025-02-06
Lubricant yakuwe muri pompe ya peteroli ituma umbrella valve muri GFD / BFE yagabanutse hejuru. Iyo umutaka wa valve ufunze umwobo wo hagati wibanze, Piston yatsinze imbaraga zisoko kuzamuka. Lubricant yabitswe mubyatsi bya peteroli yamenetse. Iyo Piston yimukiye hejuru ya
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