在盲孔上進行在線鏜孔和覆蓋焊接 2019年4月4日 视频播放器http://ydzhly.com/sir-meccanica/wp-content/uploads/sites/171/2019/04/In-line-boring-and-overlay-welding-on-a-blind-hole_new.mp4Media error: Format(s) not supported or source(s) not found下载文件: https://ydzhly.com/sir-meccanica/wp-content/uploads/sites/171/2019/04/In-line-boring-and-overlay-welding-on-a-blind-hole_new.mp4?_=100:0000:0000:00使用上/下箭头键来增高或降低音量。
