The rubber stores an electrical charge, and when it is compressed, the amount of charge is changed.
橡胶膜贮存有电荷，遇到外力时电荷量改变。
2
Suppose you charge a rubber rod and then touch it to a neutral object.
假设你让橡胶棒带电然后让它接触一个不带电的物体。
3
Shanghai Xiaochao Rubber Industry Trade company, a subsidiary company in Shanghai, takes charge of all sale tasks in both domestic and foreign markets.