Unit One Fundamentals of Heat Transfer ?、? Text Ⅱ. Words and Expressions ?、? Notes Ⅳ. Translation Skill ?、? Exercises Unit Two Introduction to Fluid Mechanics8 Ⅰ. Text ?、? Words and Expressions ?、? Notes ?、? Translation Skill ?、? Exercises Unit Three Thermodynamics Applied to Refrigeration16 ?、? Text ?、? Words and Expressions Ⅲ. Notes ?、? Translation Skill Ⅴ. Exercises Unit Four Moist Air Properties25 ?、? Text Ⅱ. Words and Expressions ?、? Notes ?、? Translation Skill Ⅴ. Exercises Unit Five Boiler36 ?、? Text ?、? Words and Expressions Ⅲ. Notes ?、? Translation Skill Ⅴ. Exercises Unit Six Refrigeration Equipments47 ?、? Text Ⅱ. Words and Expressions ?、? Notes ?、? Translation Skill Ⅴ. Exercises Unit Seven Heat Exchanger57 ?、? Text Ⅱ. Words and Expressions ?、? Notes Ⅳ. Translation Skill ?、? Exercises Unit Eight Centrifugal Pump and Fans68 ?、? Text ?、? Words and Expressions ?、? Notes Ⅳ. Translation Skill ?、? Exercises Unit Nine Air Conditioning System74 ?、? Text ?、? Words and Expressions Ⅲ. Notes ?、? Translation Skill Ⅴ. Exercises Unit Ten Ventilation System83 ?、? Text ?、? Words and Expressions ?、? Notes Ⅳ. Translation Skill ?、? Exercises Unit Eleven Heat pump Components92 ?、? Text ?、? Words and Expressions Ⅲ. Notes ?、? Translation Skill ?、? Exercises Unit Twelve Absorption refrigeration technologies105 ?、? Text ?、? Words and Expressions ?、? Notes ?、? Translation Skill ?、? Exercises Unit Thirteen Solar energy and energy saving116 ?、? Text Ⅱ. Words and Expressions ?、? Notes ?、? Translation Skill ?、? Exercises Unit Fourteen Refrigerant125 ?、? Text ?、? Words and Expressions ?、? Notes ?、? Translation Skill Ⅴ. Exercises Unit Fifteen Natural Gas139 ?、? Text ?、? Words and Expressions Ⅲ. Notes ?、? Translation Skill ?、? Exercises Appendix References