A、<span style="font-size:16px;font-family:宋体">结构简单,无可移动部件</span>
B、<span style="font-size:16px;font-family:宋体">测量精度高</span>
C、<span style="font-size:16px;font-family:宋体">压力损失较大 </span>
D、<span style="font-size:16px;line-height:150%;font-family:宋体">适应性强,技术成熟</span>
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