crwdns2936637:0crwdne2936637:0 crwdns2853008:0crwdne2853008:0 crwdns2918746:0crwdne2918746:0

烟雾报警器电池更换

crwdns2935419:0crwdne2935419:0
crwdns2936315:0crwdne2936315:0
crwdns2936311:0crwdne2936311:0
crwdns2931653:04crwdne2931653:0
Smoke Detector Battery Replacement: crwdns2935265:00crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

  • Push the red switch down with your finger.

用手指按下红色开关。

crwdns2944171:0crwdnd2944171:0crwdnd2944171:0crwdnd2944171:0crwdne2944171:0