You are viewing a single comment's thread from:RE: 4차 산업혁명의 첫번째 인프라 5GView the full contextView the direct parentcchstory (50)in #jjangjjangman • 7 years ago ㅎㅎ정해진 양식은 없는것같아요ㅎㅎ 잘하셨네요^^