roof balance的用法和樣例：
例句
- The yoke balance offers an advantage over the platform balance in that moments read are about the model.
軛式天平比臺式天平優(yōu)越的地方在于測取的力矩是模型本身的。 - The balance beam scale is outfitted with a beaker reservoir on one of its arms and a weight on the other.
平衡梁式天平在它的一條臂上配備一個(gè)燒杯狀容器，另一臂上配衡重量。
