()容积是活塞在上止点时,其上部所留空间。
A.气缸工作容积
B.气缸总容积
C.压缩比
D.燃烧室
参考答案:D
—Did you_________the first place of the league match?
—Of course we did. We_________all the other teams.
A.beat; beat
B.beat; won
C.win; won
D.win; beat
属于药品类易制毒化学品的是()
A.三唑仑片
B.麦角胺
C.氯硝西泮片
D.盐酸布桂嗪注射液