지역난방 이중보온관900A와 도시가스관400A 중압, 라인 터파기(폭)를 같이하기 위해 땅속 지장물 확인하는 시험 굴착 영상입니다. 작업문의 010-7195-6971 Trial excavation work using engcon tiltrotator District Heating work on the road double thermal pipe 900A & medium-pressure gas pipe line 400A [] This is a video of test excavation of obstructions to work together with the local heating double thermal tube 900A and the urban gas tube 400A medium pressure line excavator (width ). #영웅건기#엥콘틸트로테이터#engcon#엥콘#두산인
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