noun 下载 🔗分享 退火炉，玻璃窑。 A long oven or kiln, often having a moving belt, used for annealing glass. Examples : "After the glass bottles were formed, they traveled through the long, hot lehr to cool slowly and prevent cracking. " 玻璃瓶成型后，会经过又长又热的退火炉，在那里缓慢冷却，以防止开裂。 material technology industry machine building 与AI对话词汇游戏阅读练习
