曲轴在进行轴向间隙检查时,所使用的测量工具有()及百分表。
A、外径千分尺
B、游标卡尺
C、塞尺
D、螺旋测微仪
参考答案:C
心室容积达最大值在( )
A.心房收缩期末
B.等容收缩期末
C.射血期
D.等容舒张期末
E.心室充盈期末
________ , we had to go home.
A.There was no bus
B.We couldn' t find a bus
C.There being no bus
D.There no bus