1、 Warm-up question:Do you know the following cracks?Please look at the following pictures carefully and try to learn the terms.deflection deformationModule3 Weld Crackcrater crackunderbead cracklongitudinal crack New WordsModule3 Weld Crack New WordsModule3 Weld Crack New WordsModule3 Weld Crack New
2、WordsModule3 Weld Crack PhrasesModule3 Weld Crack PhrasesModule3 Weld Crack TextModule3 Weld Crack TextModule3 Weld Crack TextModule3 Weld Crack TextModule3 Weld Crack TextModule3 Weld Crack TextModule3 Weld Crack TextModule3 Weld Crack TextModule3 Weld Crack TextModule3 Weld Crack TextModule3 Weld
3、Crack TextModule3 Weld Crack TextModule3 Weld Crack TextModule3 Weld Crack TextModule3 Weld Crack TextModule3 Weld Crack TextModule3 Weld Crack TextModule3 Weld Crack TextModule3 Weld Crack TextModule3 Weld Crack TextModule3 Weld Crack TextModule3 Weld Crack TextModule3 Weld Crack TextModule3 Weld Crack
