透气性指数是通过仪表测量风压、炉顶压力、风量经过计算得到的。
参考答案:对
My uncle is a writer. He ______ many books since he was young.
A.writes
B.wrote
C.is writing
D.has written
不属于室内微小气候的指标是
A.气温
B.气流
C.气湿
D.采光
E.风速