A、<span style="line-height: 24px;">密度、运动粘度、动力粘度</span><span style="line-height: 24px; font-family: 'Times New Roman';"> </span>
B、<span style="line-height: 24px;">流速系数、流量系数、渗流系</span>数
C、<span style="font-family: 宋体;">压强、压力、切应力</span>
D、<span style="font-family: 宋体;">管径、水深、水头损失</span>