- 固有曳力
- 固有阻力
- proper: adj. 1.適當(dāng)?shù)?,相?dāng)?shù)?;正?dāng)?shù)?,?yīng)該的;正式的,正 ...
- drag: vt. (-gg-) 1.拖,曳;拖動(dòng),拖著(腳、尾巴等 ...
- proper drag coefficient: 固有阻力系數(shù)
- be proper to: 為…所特有
- it is proper that: 是適當(dāng)?shù)?/li>
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