炉渣向金属熔池传氧的能力称为炉渣的氧化能力。
参考答案:错
- Have you seen ________ film Where are We Going, Dad?
- Yes, it's ________ interesting film!
A.a; the
B.the; an
C.a; an
D.the; the
旅客列车广播设备和旅客列车电话都属于专用通信设备。