Iyini i-UCBV (Unlimited-Cycle Bypass Valve)?
I-valve yokudlula umjikelezo ongenamkhawulo iyisethi yezingxenye ezimfushane ezingavulwa futhi zivalwe izikhathi eziningi, ngokuvamile ezifakwe ezinhlanganisela zamathuluzi okumba akhethekile njengokuma, ukusheshisa, nokugawulwa kwemithi ngenkathi kubholwa, okungavula futhi kuvalwe ukudlula...
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