涡轮叶片连接到涡轮盘上的最佳方法是()
A、舌槽连接
B、枞树形榫头
C、挤压配合
D、燕尾形榫头
参考答案:B
The man as well as his horse ________ crossed the river ________ from Tokyo.[ ]
A. which; come
B. that; comes
C. who; came
D. who; come
阵发性睡眠性血红蛋白尿特异性的诊断依据为()
A.红细胞寿命缩短
B.Coombs试验(+)
C.HbE(+)
D.Ham试验(+)
E.网织红细胞增高