continuous variable crown mill

例句：

1. 1. The continuous variable crown mill is used in the production of precision parts.
   连续变量冠状动脉磨床用于生产精密部件。
2. 2. The continuous variable crown mill is a key tool in the manufacturing process.
   连续变量冠状动脉磨床是制造过程中的关键工具。
3. 3. The continuous variable crown mill has been widely used in various industries due to its high precision andefficiency.
   由于其高精度和高效率，连续变量冠状动脉磨床在各行业得到了广泛应用。