本书取材基本上源于英、美文献原著、美国焊机制造厂商文件和国内外全英文的前沿学术资料。全书共12个单元。每个单元由专业术语、课文、单词和词组、问题、练习和附加阅读等组成。最初的几个单元对难句进行了分析，后边的单元慢慢放开，使学生能逐渐达到自己阅读的能力。内容从焊接的基本原理开始谈起，介绍了焊接电弧、焊接方法、焊接设备、先进的焊接方法和技术、最前沿的焊接方法和技术等方面的焊接技术知识。

本书共12个单元，主要介绍了焊接的基本原理、焊接方法、焊接设备、先进的焊接方法和技术、最前沿的焊接方法和技术等方面的焊接技术知识。本书取材基本上源于英、美文献原著，美国焊机制造厂商文件和国内外全英文的前沿学术资料。内容由浅入深、循序渐进，实用性很强。

本书可作为高职院校不同基础英语水平的焊接专业学生的教材，也可作为焊接工程技术人员培养英文资料阅读能力的参考书。

Unit One1

  Part ATechnical Words and Phrases1

 Part BReading Material——Typical Sentences1

 Part CSupplementary Reading4

Unit Two6

 Part ATechnical Words and Phrases6

 Part BReading Material——Passages6

 Part CSupplementary Reading9

Unit Three12

 Part ATechnical Words and Phrases12

 Part BReading Material(Basic Requirements of the Welding Processes)12

 Part CSupplementary Reading(Expansion in Welding)14

Unit Four16

 Part A Technical Words and Phrases16

 Part B Reading Material(General Characteristics of the Welding Arc)16

 Part C Supplementary Reading(Thermal Effects)19

Unit Five21

 Part A Technical Words and Phrases21

 Part B Reading Material(FluxShielded Arc Welding) 21

 Part C Supplementary Reading(Types of Covering)24

Unit Six26

 Part A　Technical Words and Phrases26

 Part B　Reading Material(Edge Preparation and Penetration Control for Arc Welding)26

 Part C　Supplementary Reading(Prepared Joints)29

Unit Seven31

 Part A　Technical Words and Phrases31

 Part B　Reading Material(The Historical Background of GasShield Arc Welding) 31

 Part C　Supplementary Reading(Gasshielded Arc Welding)34

Unit Eight36

 Part A　Technical Words and Phrases36

 Part B　Reading Material(Electron Beam Welding)36

 Part C　Supplementary Reading［Automatic Welding(Ⅰ)］40

Unit Nine41

 Part A　Technical Words and Phrases41

 Part B　Reading Material(Resistance Butt Welding)41

 Part C　Supplementary Reading(Mechanizing Relative Motion)43

Unit Ten45

 Part A　Technical Words and Phrases45

 Part B　Reading Material(Welding in the Century of Information Technology)45

 Part C　Supplementary Reading(Gas Shielded Welder)47

Unit Eleven49

 Part A　Technical Words and Phrases49

 Part B　Reading Material［Welding Automation and Mechatronics （机电一体化）in Small Batch Production］49

 Part CSupplementary Reading(Welding Inverter)51

Unit Twelve53

 Part A　Technical Words and Phrases53

 Part B　Reading Material(Economic Robot Welding Production)53

 Part C　Supplementary Reading(Welding Automation and Mechatronics in the Production of Railway Waggons)55

Prepare For This Course57

Comprehensive Reading Materials59

Appendix A Technical Vocabulary97

Appendix B Vocabulary102

References105