电力机车轮芯与车轴装配是采用注油压装。
参考答案:对
_____from the top of the mountain, the citizens find ____ the city is not _____it used to be.
A.Seen, that, what
B.See, what, that
C.To see, what, that
D.Seeing, that, what
急性白血病骨髓象最主要特征()
A.有核细胞增生极度活跃
B.红细胞系统显著减少
C.未找到巨核细胞
D.骨髓原始及早幼(幼稚)细胞高于30%
E.骨髓原始及幼稚细胞低于30%