gas tap

例句：

1. 1. The gas tap was leaking, and we needed to fix it immediately.
   煤气表在泄漏，我们需要立即修理它。
2. 2. Gas taps are used to measure the amount of gas in a house.
   煤气表用于测量住宅中的气体量。
3. 3. Gas taps can be replaced by replacing the gas supply line.
   煤气表可以通过更换煤气供应管来更换。