胶带空车跑偏原因()。
A.初张力太小
B.导料槽偏斜
C.初张力太大
参考答案:C
He knows _________ English ________ French. But he’s very good at Japanese.
A.either, or
B.both, and
C.neither, nor
D.not, but
新车质量调查是由哪家调查公司实施的()
A、新华信;
B、伊普索;
C、J.D.Power;
D、华南国际