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감사합니다 좋은 영상 앞으로도 많이 부탁드립니다.
Please , Could you explain to us how to make the connection of the bracings with double angle profile , thank you
감사합니다 좋은 영상 앞으로도 많이 부탁드립니다.
Please , Could you explain to us how to make the connection of the bracings with double angle profile , thank you