单项选择题
A.最高温度,15℃ B.平均温度,20℃ C.最低温度,10℃ D.最低温度,5℃
A.补偿器、膨胀罐 B.温度自动调节器 C.疏水阀 D.减压阀、安全阀、各种闭阀门、水嘴
A.最大日流量,1~2min,0.03m/s B.平均小时流量,4~8min,0.01m/s C.设计秒流量,2~10min,0.05m/s D.最大小时流量,3~5min,0.2m/s