短語詞組短語weld -penetration 熔深weld penetration depth 銲接熔深weld penetration status 銲縫熔透狀態(tài)variable weld penetration 熔深易變性weld penetration control 熔透控制weld penetration monitoring 熔透監(jiān)測side weld penetration technique 熔透技術(shù)penetration weld 熔透銲縫;滲透銲;未銲透銲縫full -penetration weld 全銲透銲縫;全浸透銲道 返回 weld penetration