heat-affected zone的用法和樣例：
例句
- Moreover, the small area of heat influence is favorable to keep the workpiece undeformed.
由于熱影響區小，可保證基體基本不變形。 - The test results show that the welding bubbles and depression in welding area, and the transgranular crack in heat affected area are the causes of the rail fracture.
結果表明，在焊料與基體金屬間存在較大的孔洞或凹陷及熱影響區內的穿晶裂紋構成了裂紋源，這些裂紋在外界疲勞荷載的作用下，逐漸擴展，最終導致了鋼軌的斷裂。
