rock-over moulding machine

例句：

1. 1. The rock-over moulding machine is used to create intricate patternson the surface of rocks.
   翻模机用于在岩石表面创造出复杂的图案。
2. 2. Theengineer designed a new model of rock-over moulding machine to improve efficiency.
   工程师设计了一种新型的翻模机以提高效率。
3. 3. The rock-over moulding machine has become an essential tool inthe field of engineering.
   翻模机已成为工程领域不可或缺的工具。