Tiirarka hydraululic ee tuubbooyinka ayaa ah qayb muhiim ah oo ku saabsan nidaamyada hydralic-ka waxaa loo isticmaalaa in lagu gudbiyo dareeraha hydralic iyo awoodda u dhexeeya qaybaha kala duwan. Markaad dhoofinayso ama dhoofinta tuubooyinka khadadka ku jirta ee xuduudaha caalamiga ah, waxaa muhiim ah in si sax ah loogu kala saaro ujeedooyinka kastamka. Nidaamka la is waafajiyo (
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