roller bed的用法和樣例：
例句
- The device is insensitive to the vibration of a strip or sheets while moving along the roller.
對帶或板材沿輥道運動(dòng)時(shí)的振動(dòng)不敏感。 - Due to its speciality,the gravitational roller conveyor must be equipped with brake rollers in its table roller.
重力式輥筒輸送機由于其自身的特性，必須在輥道中設置制動(dòng)輥。
