Koj puas paub dab tsi kawg cap twg?

Lub luag hauj lwm ntawm kawg cap: 1. Axial positioning ntawm tus outer ntiv nplej ntawm lub bearing. 2. plua plav thiab ntim kaw, ntxiv rau nws tus kheej dustproof thiab ntim, nws…

Nyeem ntawv Koj puas paub dab tsi kawg cap twg?