铸造卡环厚度与宽度的比例正确的是()
A.10:4
B.10:8
C.10:6
D.10:5
E.8:10
参考答案:E
How long do you think it will be China becomes a rich and harmonious country?
A.before
B.after
C.since
D.when
气的固摄力不足,最易导致血液循环的何种病变()
A.血滞
B.血瘀
C.血肿
D.出血
E.血寒