Mapoinzi mashanu makuru ekumisikidzwa kwevharuvhu akajairika inopisa air valve yekuisa, kushandisa uye kugadzirisa
Mapoinzi mashanu makuru ekumisikidzwa kwevharuvhu zvakajairika kupisa mhepo yekuisa vharafu, kushandisa uye kugadzirisa Mavharuvhu mazhinji anotungamira. Semuyenzaniso, globe valve, throttle valve, pressure yekudzikisa valve, check valve, etc., kana ikaiswa reverse, zvinokanganisa kushandiswa eff...
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