Ceev thiab yooj yim lub teeb thiab me me lithium roj teeb tsheb
Lub tsheb thauj khoom zoo sib xyaw ua ke qhov zoo ntawm phau ntawv tsheb thauj khoom thiab cov tsheb thauj khoom hluav taws xob, thiab tau ua tiav cov nqi hluav taws xob zoo tsim nyog rau ntau lub hom phiaj nruab nrab thiab me me tonnage tuav.Cov qauv muaj zog tab sis tsis muaj dexterity.