阐述了高速直线进给时所采用的直线电机驱动系统的外形，以及选择直线电机时需要考虑的主要参数和原则。
The profile of the linear motor driving system used in the high speed linear feed and the main parameters and principle for selection of linear motor are described.
详细论述了一种用于螺旋管外形参数在线测量的数据终端系统。
This process system can be used to measure shape and size of spiral welded pipe's profile.
详细论述了一种用于螺旋管外形参数在线测量的数据终端系统。
This process system can be used to measure shape and size of spiral welded pipe's profile.
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