포항 지진 바닥 균열 발생 순간 Today, 5.5 Earthquake in Pohang, S.Korea

건설과학 Construction,Science/환경안전 Environment,Safety|2017. 11. 15. 16:20




source 

https://www.instagram.com/p/BbgWupOljHD/?tagged=

%ED%8F%AC%ED%95%AD%EC%A7%80%EC%A7%84

댓글()

티스토리툴바