Na o hloka tlaleho ea sampole ea mahala? Etela: https://www.reportsnreports.com/contacts/requestsample.aspx? lebitso = 1077663
Ho tloha ka 2019 ho isa ho 2024, 'maraka oa li-valve tsa bolo o lebelletsoe ho hola ka sekhahla sa kholo ea selemo le selemo sa 3.75%. Ka 2024, e tla hola ho tloha ho US $ 12.6 billion ka 2019 ho isa ho US $ 15.2 billion.
E arotsoe ka boholo, 'maraka oa li-valve tsa bolo o arotsoe ka lisenthimithara tse 1 ho isa ho tse 6, lisenthimithara tse 6 ho isa ho tse 25, lisenthimithara tse 25 ho isa ho tse 50, le limmaraka tse 50 le tse kholoanyane. Nakong ea kemiso, 'maraka oa li-valve tsa bolo o thehiloeng ho 1 ″ ho isa ho 6 ″ o lebelletsoe ho paka kholo e kholo. Khōlo ena e bakoa ke tlhokahalo e ntseng e eketseha ea lipalangoang le matla le lisebelisoa tse thehiloeng ho motlakase; ka lebaka leo, tšebeliso ea li-valve tsa 1-6 inch ka oli le khase, matla le matla, ho hloekisa metsi le metsi a litšila, lik'hemik'hale le liindasteri tse ling E eketsehile.
Tlalehong ena, 'maraka oa li-valve tsa bolo o arotsoe ka li-valve tse emisitsoeng ka trunnion, tse phaphametseng le tse emisitsoeng ka mofuta oa li-valve. Har'a bona, ho lebelletsoe hore trunnion e kentsoeng e tla nka karolo e kholo ea mmaraka nakong eohle ea kemiso. Kholo ea tšebeliso ea matla, mahlale a macha a tlhahiso, tlhoko ea ts'ireletso ea ts'ebetso, ho eketsa tlhokomelo ho ts'ebetsong, le khothatso ea melaoana ea tikoloho e khothalelitse nts'etsopele ea 'maraka oa li-valve tsa trunnion.
Tlaleho e theola 'maraka oa li-valve tsa bolo ka thepa, mofuta oa li-valve, boholo, indasteri le sebaka. Tlaleho e boetse e hlalosa bakhanni ba ka sehloohong, litšitiso, liqholotso le menyetla e amanang le 'maraka, hammoho le ketane ea boleng le tlhahlobo ea boemo ba 'maraka.
Nako ea poso: Mar-12-2021
