Select the valve size combinations from SIZING CHART that is within low to high flow system range.

在最低到最高流量范围内，从通径图表中选择阀门通径。

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Select the valve size from SIZING CHART that is within the range of low to high flow. (Consider requirements of lowest demand equipment.)

在最低到最高流量范围内，从通径图表中选择阀门通径。(考虑最低需要设备的要求。)

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