7fed8270b58069ff51ee80e645837073c5efe7f654a256f496978e3cedcec0ff



유도등 도면인데 어디가 시작점임?

1ebec223e0dc2bae61abe9e74683726d36d5afcbee7389a790a46123f7ac853e872738182b41d9ee6b7f7aac585ab4d45958cf


ex-1 여기 시작잠 맞음?