瘀血腰痛的代表方剂是
A．血府逐瘀汤
B．膈下逐瘀汤
C．身痛逐瘀汤
D．通窍活血汤
E．桃红四物汤
参考答案：C
Without the air to hold some of the sun’s heat,the earth at night .
A．would be freezing cold
B．will be freezing coldly
C．would be frozen cold
D．can freeze coldly
简述在锅炉测试时，鼓风、引凤和除尘系统应达到的要求？
