工程测试中,OTU10G输出光功率范围是()
A.-5x0dBm
B.-4x-1dBm
C.-2x+3dBm
D.-10x0dBm
参考答案:D
It's you, rather than he, that___ for the accident. [ ]
A. is to blame
B. are to blame
C. is blame
D. are blame
涂料贮存保管的最高温度应不超过()。
A.32º
B.35º
C.40º
D.45º