Unit 1 Text A Engineering Materials Text B Choosing the Appropriate Rockwell Scale Practical Writing 1 英文賀卡 Unit 2 Text A Basics of Sheet Metal Forming Text B Sheet Metal Forming Defects Practical Writing 2 英文電子郵件 Unit 3 Text A The Lathe Text B Lathe Operations Practical Writing 3 英文書信簡介(1) Unit 4 Text A The Milling Machine Text B A Drill Press Practical Writing 4 英文書信簡介(2) Unit 5 Text A Computer-aided Process Planning Text B Powerful Part Modeling Practical Writing 5 英文商務(wù)信函(1) Unit 6 Text A Reset of Torque Limiter Text B Carriage Drive Motor Replacement Practical Writing 6 英文商務(wù)信函(2) Unit 7 Text A Use of Microcomputers in NC Systems Text B Feedback and Its Effects Practical Writing 7 英文邀請信 Unit 8 Text A The Microcomputer Interface Text B Sequential Control Using Programmable Logic Controllers Practical Writing 8 英文邀請信的復(fù)信 Unit 9 Text A Work of CNC Programmers and Operators Text B Methods for CNC Programming Practical Writing 9 英文請柬 Unit 10 Text A CNC Maintenance and Users' Training Text B CNC Diagnostics and Repair Practical Writing 10 英文請柬的回柬 Unit 11 Text A Electric Circuit and Some Laws and Formulas About It Text B Introduction and Primary Logic Functions of Integrated Circuits Practical Writing 11 英文求職信 Unit 12 Text A Amplifiers Text B Analog and Digital Transducers Practical Writing 12 英文簡歷
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