part 1 reading courses of occupational english for hvac(专业英语教程) lesson 1 requirements for an engineer and brief introduction to engineering(工程师职业素养) lesson 2 engineering thermodynamics(工程热力学) ⅰ text ⅱ words and expressions ⅲ notations ⅳ exercises lesson 3 heat transfer(传热学) ⅰ text ⅱ words and expressions ⅲ notations ⅳ exercises lesson 4 fluid mechanics(流体力学) ⅰ text ⅱ words and expressions ⅲ notations ⅳ exercises extensive reading history of thermodynamics a brief history of computational fluid dynamics(cfd) lesson 5 heating engineering(供暖工程) ⅰ text ⅱ words and expressions ⅲ notations ⅳ exercises lesson 6 gas supply(燃气供应) ⅰ text ⅱ words and expressions ⅲ notation