Kev lag luam thee qis ceev peb theem ruaj khov hlau nplaum synchronous lub cev muaj zog ncaj tsav siv conveyor

Cov khoom no yog ib qho tshwj xeeb qis-ceev ncaj tsav lub cev muaj zog tsim los ntawm peb lub tuam txhab rau siab thiab tsis tshua muaj siab siv conveyors. Nws tau raug xa mus rau cov neeg siv khoom siv thiab tau txais cov lus pom zoo.