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。
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。
Plane warping deformation and interior hole oval deformation occur easily for spread bevel gear at carburization and hardening.
螺旋伞齿轮在渗碳淬火时极易发生平面翘曲变形和内孔椭圆化变形。
Plane warping deformation and interior hole oval deformation occur easily for spread bevel gear at carburization and hardening.
螺旋伞齿轮在渗碳淬火时极易发生平面翘曲变形和内孔椭圆化变形。
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