钻头可以在飞机引擎部位打孔，帮助人们出行和货物运输；

Those drills may punch holes in airplane engine parts, and thus help produce transportation for people and goods.

youdao

钻头可以在飞机引擎部位打孔，帮助人们出行和货物运输；

Those drills may punch holes in airplane engine parts, and thus help produce transportation for people and goods.

youdao