Xizi Otis of Elevator khawm BR27C A311 BR27A stainless hlau round khawm

Lub pob no tau muab faib ua lub teeb xiav, lub teeb dawb, thiab lub teeb liab, tsuas yog xim ntawm lub teeb sib txawv.

Thov yuav 3-xaim rau Otis (Otis tsis muaj lub teeb liab), thiab thov yuav 4-xaim rau lwm hom elevator. 3-xaim thiab 4-xaim tsis tuaj yeem siv sib hloov. Kab 3 thiab 4 hais txog cov kab sab hauv thiab tsis tuaj yeem pom los ntawm sab nraud. Cov pins yog tag nrho 4.