polychannel tunnel kiln

例句：

1. 1.The polychannel tunnel kiln is a key technology in the production of high-quality ceramics.
   多通道隧道窑是生产高质量陶瓷的关键技术。
2. 2. The polychannel tunnel kiln has greatly improved the efficiency of the production process.
   多通道隧道窑大大提高了生产过程的效率。
3. 3. The polychannel tunnel kiln is widely used in the production of porcelain and other ceramic products.
   多通道隧道窑广泛应用于瓷器和其他陶瓷产品的生产中。