煤气瓶

例句：

1. 1. The gas cylinder is leaking, so we need to fix it right away.
   这个煤气瓶正在漏气，所以我们需要马上修理。
2. 2. Gas cylinders are commonly used for storing and transporting compressed gases.
   煤气瓶常用于储存和运输压缩气体。
3. 3. Gas cylinders are often found in homes and offices as a convenient source of heating and lighting.
   煤气瓶通常在家庭和办公室作为供暖和照明的便利来源。