closed-type double action crank press

例句：

1. 1. This closed-type double-acting crank press is used for precision machining.
   这种闭式双动程曲柄压力机用于精密加工。
2. 2. The engineer designed this closed-type double-acting crank press to meet the high precisionrequirements of the manufacturing process.
   这位工程师设计了这款闭式双动程曲柄压力机，以满足制造过程中对高精度的要求。
3. 3. The closed-type double-acting crank press has been proven to be an effective tool in improving production efficiency and reducing waste.
   这款闭式双动程曲柄压力机已被证明是提高生产效率和减少浪费的有效工具。