短語詞組短語crack -initiation parameter 啟裂參數(shù)crack propagation initiation angle 裂紋擴展開裂角brittle crack initiation COD 脆性啟裂COD值apparent crack initiation COD 表觀啟裂COD值crack initiation point 起裂點;啟裂點Time to Crack Initiation 裂紋形成時間crack initiation approach 裂紋crack initiation locus 裂紋啟裂跡線法 返回 crack initiation