国内首部促进生态文明建设的地方性法规是什么？
参考答案：
《贵阳市促进生态文明建设条例》
I’ve talked a lot about walking. , I want to say it is a cheap, safe and enjoyable form of exercise.
A．In detail
B．In conclusion
C．In effect
D．In reality
循环水泵出口蝶阀打不开怎么处理？
