社会保险基金运行条件和平衡条件的制约因素
参考答案：
人口精算、经济预测、法律制度。
The made-in-America idea of the global brand has built a name that people will buy on faith, and the pioneer was Coca-Cola.
A．is building
B．is to build
C．was to build
D．was building
检修设备时，不锁定或多人作业只挂1把安全锁（）
