短語(yǔ)詞組短語(yǔ)hair line crack 毛發(fā)狀裂縫face hair crack 表面發(fā)裂hair -like crack 發(fā)裂slickensided hair crack 擦痕面發(fā)狀裂縫hair crack of rail head 軌頭發(fā)裂Crack hair 毛細(xì)裂縫 返回 hair crack