Valves nkịtị na-arụ ọrụ nhicha, mmanye mmanu, usoro griiz Kekọrịta Kedu valvụ ndị a na-ejikarị na netwọk okpomọkụ?
Valves nkịtị na-arụ ọrụ nhicha, mmanye mmanu, usoro griiz Kekọrịta Kedu valvụ ndị a na-ejikarị na netwọk okpomọkụ? Valve trapezoidal eri, valvụ stem nut na nkwado akụkụ slide, gia na worm gear, worm meshing akụkụ na akụkụ ndị ọzọ wit.
lee nkọwa