Repeat Steps 2 and 3 for other possible valve sizes, tabulate results, and make size selection on basis of pressure drop and duration of partial disc lift considerations.

• 对于其它可能的阀门通径，重复第2步和第3步，将结果制成表格，然后根据压降和阀瓣部分提升持续时间等因素，来确定阀门通径。