システムダウンだったら
shisutemudaundattara
1. If the system goes down; When the system goes down
Noun
#298881
1. If the system goes down; When the system goes down
1. if it's the case
1. system
1. automatic lock
2. automatic door-locking system
1. systems
1. geographic information system; GIS
1. not be found
1. filing system