| 摘要 |
A fluid transport channel is provide including a flow inlet from which fluid flows in, a flow channel through which the fluid is transported, a branched portion provided in the flow channel to change the movement direction of the fluid, and flow outlets from which the fluid having passed through the branched portions flows out. A region where the movement direction of the fluid is changed is present between the flow inlet and the branched portion. In that region, the center line extending in the movement direction of the fluid in the flow channel extends along a range of two arcs having different centers, and the range is composed of such two arcs as to make the directions of the fluid turning along the arcs opposite to each other. Each of the arcs has a specific angle relative to an angle at which the movement direction of the fluid changes.
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