The Engineering Cookbook is a convenient reference guide for mechanical designers. It provides "fingertip" access to frequently needed information, including:
? Fan Basics
? System Design
? Duct Design
? Motors & Drives
? Heating & Refrigeration
? Formulas & Conversion Factors
该工程食谱是一个方便的参考指南机械设计师。它提供了“指尖”访问经常需要的信息，其中包括：
?风扇基础知识
?系统设计
?风道设计
?电机与驱动器
?供暖制冷
?公式和转换因子

Updated look and feel
Updated standards
New duct design section
New duct pressure loss calculations
35% more content
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