建设工程临时用电,按照三相五线制实行()的规定,合理布置临时用电系统。
A、两级漏电保护
B、按图布置
C、用电措施
D、低压配电
参考答案:A
The twins want a birthday party .
A.have
B.to have
C.not have
D.not to have
金瓷冠修复进行牙体预备时候,前牙切缘应至少磨除
A.1mm
B.1.5mm
C.2mm
D.2.5mm
E.3mm