武当派的武功以刚为主，刚柔并济。（ ）The martial art of Wudang School emphasizes hardness, and couples hardness with flexibility. （ ）
举一反三
- 少林派的少林拳以柔为主，刚柔相济。（ ） The Shaolin Boxing of Shaolin School emphasizes flexibility, and couples flexibility with hardness. （ ）
- For soft tooth surface gear transmission, the hardness of the tooth surface should be selected A: Pinion tooth surface hardnesslarge gear tooth surface hardness B: Pinion tooth surface hardness≤large gear tooth surface hardness
- The hardness of mica is （ ）.
- Hardenability和hardness是同一概念。
- There are three common hardness testing methods used in practice, that is, ____, ____ and ____.