短語詞組短語crack -detection method 裂紋探測法Crack -detection 裂紋檢測crack k detection 裂紋探測crack growth detection 裂紋擴(kuò)展檢測crack damage detection 裂紋損傷檢測Crack fault detection 缺陷檢測crack depth detection 裂縫深度檢測external crack event detection module 外部事件檢測模件Crack detection methods 裂縫探測方法 返回 crack detection