建筑工程合同履行的原则是什么？
参考答案：
实际履行原则和全面履行原则。
Alow-carbon(低碳)lifestyle has an effect our daily life.More and more attention has been paid to Energies these days.
A．in;save
B．in;saving
C．on;save
D．on;saving
重量分析法
