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PSD가 무엇인가요?
구분
기타
PSD는 Platform Screen Door의 약칭으로 승강장안전문을 의미합니다.
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이전글
승강장안전문(PSD) 설치 시 장점은 무엇인가요?
다음글
철도공사현장 소음측정은 어떻게 하나요?