成品钢门窗安装工程量,按设计()尺寸以平方米计算。
A.买际大小
B.门窗洞口
C.门窗扇面积
D.框外围面积
参考答案:B
Happy 75th Birthday, Social Security
The Social Security program would gain the support from ______.
用双向波除颤仪,电击能量选择为()
A.100J
B.100~150J
C.150~200J
D.300J
E.360J