China Fire Bulletin Issue #1 June 2014 | Page 34

TRAINING 培 训 流量计算 不是简单的做乘法! ■ By: Zachary Allen 译 / 聂鑫 3.14×(150/2) ² = 3.14×(75) ² = 17663 mm² 80mm×2=160mm (S)=πr² π= 3.14 80mm÷2=40mm 34 CHINA FIRE BULLETIN 消防前沿