通径(latus rectum) 亦称“正通径”、“首通径”、“直焦弦”、“主焦弦”、“正焦弦”。过圆锥曲线的焦点且与过焦点的轴垂直的弦称为通径,清代明安图《割环密率捷法》中,称圆的直径为通径。
全通径结构保证通道内径与管线内径一致,不但使流体阻力最小,也便于清洁通道。
Full diameter structure of ball valve ensures the conformity of inside diameter of passage and pipeline, with the fluid resistance minimized and easy for cleaning pipeline.
通径分析与相关分析结果一致。
The results of path analysis are the same as that of correlation analysis.
完整的阀门参数:型号和阀门通径。
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