熟料率值要稳定,KH控制波动范围为±0.015,合格率不得低于80%
参考答案:对
在火灾充分发展阶段的后期,一般认为火灾衰减阶段是从室内平均温度降到其峰值的()时算起。
A.30%
B.50%
C.60%
D.80%
Yao Ming is _____ Chinese basketball player that ever played in NBA.[ ]
A. tall
B. taller
C. tallest
D. the tallest