短语词组短语Weld Nugget Zone 焊核区weld overheated zone 焊接过热区weld deposit zone 焊缝沉积区weld -metal zone 焊缝金属区weld joint zone 焊缝区weld metal zone 焊接金属熔化区;焊缝区;[机]焊缝金属区;焊接金属熔化区英语weld affected zone 焊接影响区Near Weld Zone 近缝区 返回 weld zone