IntrodyushɔnHaydrolik hos fitin na impɔtant tin dɛn we de insay haydrolik sistem, we de wok as di impɔtant kɔnɛkshɔn bitwin hos ɛn had paip, valv, pɔmp, ɛn silinda. As wan big big haydrolik fitin manifakta wit ova 15 ia ɛkspiriɛns, Ruihua Hadwɔd dɔn ɛp bɔku bɔku pipul dɛn na di wɔl
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