coke-oven battery

例句：

1. 1. The new gasoven is more energy-efficient than theold one.
   新款煤气灶比旧款更节能。
2. 2. The gas oven is easy touse and convenient for cooking.
   煤气灶使用方便，烹饪起来也很方便。
3. 3. The gasoven has a long lifespan and requiresless maintenance.
   煤气灶使用寿命长，维护需求少。