gas-flow rate

例句：

1. 1. Thegas flow rate is crucial for the operation of the engine.
   气体流量率对于发动机的运行至关重要。
2. 2. The gas flow rate affects the efficiency of the heat exchanger.
   气体流量率影响热交换器的效率。
3. 3.The gas flow rate was measured using a precise flow meter.
   使用精确的流量计测量了气体流量率。