单选26.属于容积式流量计的是( )

A、<span style="font-size:16px;font-family:宋体">涡轮流量计&nbsp; &nbsp;</span>

B、<span style="font-family: 宋体;">靶式流量计&nbsp; &nbsp;</span>

C、<span style="font-family: 宋体;">椭圆齿轮流量计&nbsp;</span>

D、<span style="font-size:16px;font-family:宋体">冲量式流量计</span>