quenching crack的用法和樣例：
例句
- Results show that the crack is mainly intergranular and there is no decarburization and oxidation at the edge of the crack.
根據齒座表面裂紋主要呈沿晶擴展，裂紋兩側無脫碳和氧化現象，認為該裂紋為淬火裂紋。 - In addition, quenching cracks in the release valve arise from the stress concentration at incisions of valve intracavity.
而淬火裂紋系因泄放閥體內腔刀痕的應力集中而產生的。
