samfurin gabatarwa

JZJX layi Roots spindle na'urar da aka yi da Roots famfo a matsayin babban famfo, da spindle famfo a matsayin gaban famfo serial. Tsarin shi ne m, sauki aiki. Ana amfani da shi don cire iska da sauran gas masu ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin. Misali: injin narkewa, wutar lantarki capacitor, transformer, injin immersion magani, pre-pumping a injin rufi kayan aiki, da dai sauransu.

II. Ayyukan sigogi