强力棉型短纤维比电阻偏大时,可采取的调整方法是()。
A、增大拉伸倍数
B、提高油浓
C、增大卷曲背压
D、提高切断张力
参考答案:B
Longlong's father is a businessman. He is very busy, so Longlong only talks _______ him _______ the
phone.[ ]
A. to; in
B. with; by
C. with; on
D. to; by
我国目前税制基本上是以间接税为主、直接税为辅的复合税制结构。()