GB/T3048.11-94用于工频交流电压下测量电缆的介质损失角正切值,下面哪一种产品不适用()。
A、单芯电缆线
B、绕组线
C、多芯电缆线
D、分相铅套电缆线
参考答案:B
I had been working on math for the whole aftensoon and the numbers before myeyes. [ ]
A. swim
B. swum
C. swam
D. had swum
PSS是目前国际海上集装箱班轮运输中出现的一种附加费,是在托运人要求承运人承担超过提单上规定的赔偿责任限额时承运人增收的附加费。()