它也包含为了被选择的工业的未定定义相对于静态的压力差异的量或者大规模流量的未定曲线。

It also contains fan curves defining volume or mass flow rate versus static pressure difference for selected industrial fans.

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选择使用交叉点方式进行修剪，并确认保留内部(“Keep Inner”)复选框被选中，这样就可以删除掉修剪线之外的曲线段。

Select to snip using the View Intersection and make sure that "Keep Inner" is checked. This will delete the pieces beyond the snipping curves.

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