Yantai medical equipment fan

From the topic, Q amplifier =W power =2.7× 108kw? h=9.72× 10 14J，q=3.0× 107J/kg，

∫Q amplifier =mq,

∴ Need high-quality standard coal;

m = Q = 9.72× 10 14j 3.0× 107j/kg = 3.24× 107kg。

So the answer is: 3.24× 107kg. kg。