1)Dry Joint,虚焊,假焊2)false welding,虚假焊3)lack of solder,脱焊，虚焊4)tack weld,假焊5)faulty welding,虚焊6)rosin connection,松香虚焊
用法例句
The traditional ultrasonic testing methods for detecting the auto-body spot welded joint especially the faulty welding defects have some application problems such as the bad adaptability and low identification rate.
