Ivalve yokulawula uhlobo lomzimba ukhetho lokulawula ukhetho lwevalvu
Ukulawula uhlobo lomzimba wevalve yokulawula ukhetho lwevalve yokulawula Kukho iintlobo ezininzi zevalve elawulayo, esetyenziswa ngokuqhelekileyo isitulo esinye esithe ngqo, isihlalo esithe ngqo esiphindwe kabini, i-engile, i-diaphragm, ukuhamba okuncinci, iindlela ezintathu, ukujikeleza kwe-eccentric, ibhabhathane, uhlobo lomkhono,. .
jonga iinkcukacha