在有限的空間下盡可能將頭盔小型化，並壓低帽體，運用大量的進氣口增大散熱

在有限的空間下盡可能將頭盔小型化，並壓低帽體，運用大量的進氣口增大散熱能力

結果 (英文) 1:

Miniaturize the helmet as much as possible in a limited space, lower the cap body, and use a large number of air intakes to increase the heat dissipation capacity

結果 (英文) 2:

Miniaturize the helmet as much as possible in limited space and lower the cap body, using a large number of air infleters to increase heat dissipation

結果 (英文) 3:

In the limited space, the helmet should be miniaturized as much as possible, and the helmet body should be lowered, and a large number of air intakes should be used to increase the heat dissipation capacity