热影响区脆化
brittleness in HAZ
heat affected zone embrittlement
热影响区粗晶区
coarse grain heat-affected zone
coarse grained heat affect zone
coarse grain HAZ
coarse-grained heat-affected zone
热影响区裂纹
crack in the section of heat effect
热影响区软化
heat-affected zone softened
strength match
Softening of the heat- effected area