thermal current rating

例句：

1. 1. The thermalcurrent rating of the new generator is higherthan that of the old one.
   新发电机的热流电流额定值高于旧发电机。
2. 2.The thermal current rating of the circuit boardis crucial for its performance.
   电路板的热流电流额定值对其性能至关重要。
3. 3. The thermalcurrent rating of the insulation materialis an important factor in determining its lifespan.
   绝缘材料的热流电流额定值是决定其使用寿命的重要因素。