Pali odzigudubuza awiri mu Self-Aligning Mpira Wokhala ndi bwalo lamkati, lomwe limasonyeza gawolo, ndipo pakati pa kupindika kwa gawoli kumagwirizana ndi pakati. Chifukwa chake, bwalo lamkati, mpira ndi chofukizira, bwalo lakunja limatha kupendekeka momasuka. Chifukwa chake, kusinthaku kumachitika chifukwa cha ...
Werengani zambiri