本新型实用属于变压器风扇领域，特别涉及一种机翼型扇叶。

The utility model belongs to the field of transformer fans, in particular to a wing type fan blade.

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增加风扇和油泵可使变压器额定值增加25%到66%。

Transformer ratings can be increased from 25% to 66% by the addition of fans and pumps.

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在未来几年，我们会增加变压器冷却风扇和鼓风机密闭服务。

Over the next several years a line of transformer cooling fans and confined space blowers were added.

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