The high efficiency, the precision work are one of numerically-controlledmachine tool processing most main features.
高效率、高精度加工是数控机床加工最主要特点之一。
2
The speed and place of the feedback have been breakdown frequently while checking components are used in numerically-controlledmachine .
在数控机床测控系统中， 反馈位移和速度的检测元件通常易发生故障。
3
Japan is a major importer of U.S. goods and services, and particularly of expensive advanced-technology products, such as jet engines, numericallycontrolledmachine tools, and biotechnology products.