A、<span style="font-siz16px;font-family:宋体">涡街流量计</span><span style="font-siz16px;font-family:\'Times New Roman\',\'serif\'"> </span>
B、<span style="font-siz16px;font-family:宋体">电磁流量计</span><span style="font-siz16px;font-family:\'Times New Roman\',\'serif\'"> </span>
C、<span style="font-siz16px;font-family:宋体">椭圆齿轮流量计</span><span style="font-siz16px;font-family:\'Times New Roman\',\'serif\'"> </span>
D、<span style="font-siz16px;font-family:宋体">科氏力流量计</span>
A、<span style="font-siz16px;font-family:宋体">涡街流量计</span><span style="font-siz16px;font-family:'Times New Roman','serif'"> </span>
B、<span style="font-siz16px;font-family:宋体">电磁流量计</span><span style="font-siz16px;font-family:'Times New Roman','serif'"> </span>
C、<span style="font-siz16px;font-family:宋体">椭圆齿轮流量计</span><span style="font-siz16px;font-family:'Times New Roman','serif'"> </span>
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