金毓婷和维生素e:这句话怎么说???

来源:百度文库 编辑:杭州交通信息网 时间:2024/05/06 09:50:55
当胶皮厚时相对位置大, 胶皮薄时相对位置小.

The relative space will become larger when the rubber is thick, but the ralative space will become smaller when the rubber is thin.