极地圈中心的创建者正在冰里用钻孔机钻孔。

Founders of the polar circle diving center are making holes in the ice with help of hand drills and augers.

youdao

极地圈中心的创建者正在冰里用钻孔机钻孔。

Founders of the polar circle diving center are making holes in the ice with help of hand drills and augers.

youdao