Water passages are streamline to provide high water flow with minimal pressure loss.
水流道为流线型，在压降最小前提下实现高流量。
Water passages are streamlined to provide high water flow with minimal pressure loss.
水流道为流线型，在压降最小前提下实现高流量。
Water passages are streamlined to provide high water flow with minimal pressure loss.
水流道为流线型，在压降最小前提下实现高流量。
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