opening of tuyere

例句：

1. 1. The tuyere is the part of the furnace where the hot gases flow out.
   风眼是炉子中热气体流出的部分。
2. 2.The tuyere is responsible for distributing heat evenly throughout the furnace.
   风眼负责将热量均匀地分布在炉内。
3. 3. The tuyere needs to be cleaned regularly to prevent blockages.
   风眼需要定期清理以防止堵塞。