| Hom | Hom | Siv tau |
| Dav Dav | PLC-I/O-9901-1 | Rau STEP elevator |
Lub rooj tsavxwm teeb liab ntawm lub tshuab nqa khoom PLC-I/O-9901-1 rau lub tshuab nqa khoom kauj ruam. Yog xav paub ntxiv txog lwm yam khoom siv ntawm lub tshuab nqa khoom lossis lub tshuab nqa khoom, thov hu rau peb. Peb muaj ntau hom thiab ntau yam qauv.