短語詞組短語crack -initiation parameter 啓裂蓡數(shù)crack propagation initiation angle 裂紋擴展開裂角brittle crack initiation COD 脆性啓裂COD值apparent crack initiation COD 表觀啓裂COD值crack initiation point 起裂點;啓裂點Time to Crack Initiation 裂紋形成時間crack initiation approach 裂紋crack initiation locus 裂紋啓裂跡線法 返回 crack initiation