Weldner韦尔德纳
weldv.焊接;使结合n.焊接;焊缝
Weld line restraining method拼焊板
welding processing parameter焊接工艺参数
welding electronic parameter焊接电参数
welding between pipe connect管口和筒体间焊缝
welding seam auto-tracking焊缝跟踪
welded and rolled tube joint焊胀
welding technology standards焊接技术标准