But, pressure drag is the main concern (worry) and if it is reduced then overall drag is reduced.

但是，压力引起的阻力才是阻力的主要方面，所以如果这个方面的阻力能够减小，那么总体阻力也将会减小。

youdao

Drag one of the sizing handles to increase the length, width, or overall size of the control.

拖曳一个控制项大小，来增加该控制项的长度、宽度或整体尺寸。

youdao

When both are raised, overall lift fall and drag increases, so the aircraft descends.

当两边的扰流片都扬起时，升力就会下降，阻力增加，飞机下降。

youdao

But the relatively low average selling price that fuels volume growth also promises to put a drag on overall revenue growth for several years.

FORBES: Magazine Article

The overall situation remains a bearish drag on many markets, including the raw commodities and stock markets.

FORBES: A.M. Kitco Metals Roundup: Gold Weaker to Start Trading Week; Markets Subdued

That will drag down the overall growth rate in the short run.

NPR: China's Struggle To Measure Economy Clouds Outlook