paralld machine tool的用法和样例：
例句
- The achievement of research has already been applied successfully to the development of a parallel prototyped machine tool.
研究成果已成功地应用于一台并联机床样机的开发。 - The results of analysis show that the workspace of parallel machine tools is enveloped by many surface patches.
分析计算结果表明，并联机床的工作空间是由多张曲面片包围而成的闭包。
