The hybrid flowmeter consists of a Venturi meter and an oval gear flowmeter.
组合式仪表由文丘里管和椭圆齿轮流量计组成。
To study the influence of rotary inertia on gear flowmeter natural frequency, keep damping and leakage coefficient as constant.
结果表明：与增大泄漏系数、阻尼系数相比，减小转动惯量可以明显的提高流量计的频率响应。
On the basis of exploration and demonstration, SBSD bulk setter and mass flowmeter was combined to replace the oval gear setters.
在考察、论证的基础上，用SBSD批量给定器和质量流量计配套使用来代替椭圆齿轮设定器。
On the basis of exploration and demonstration, SBSD bulk setter and mass flowmeter was combined to replace the oval gear setters.
在考察、论证的基础上，用SBSD批量给定器和质量流量计配套使用来代替椭圆齿轮设定器。
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