The volcano has sent a massive cloud of microscopic ash particles swirling across northern Europe - particles that air specialists say are highly abrasive and could cause aircraft engines to fail.

VOA: standard.2010.04.16

it's more indirect, more polite and a little bit less abrasive perhaps.

这样来得更委婉、有礼貌，也相对不会伤人感情。

Would you please 课堂 - SpeakingMax英语口语达人

So use the "would you please" pattern if you're asking for something in perhaps a potentially abrasive situation.

所以，当你在可能伤人感情的情况下请求别人做某事时，你可以使用“would you please”句型。

Would you please 课堂 - SpeakingMax英语口语达人

But he has been unable through his rather abrasive and I would say almost arrogant attitude toward fellow politicians to bring them into any kind of unity in order to move the country forward.

VOA: standard.2009.09.01