In cutting experiments, it can be observed and measured that the chip thickness, the tool wear, the screw thread teeth, and so on.
在切削实验中，可对切屑厚度、刀具磨损及螺纹等的形貌进行观察并测量其尺寸。
The process of screw spindle is the key of producing screw spindle pump, but the calculation of shaped cutting tool is still the crux of process of screw spindle.
螺杆泵生产的关键是螺杆的加工，而成型刀具的型线计算又是螺杆加工的关键。
The process of screw spindle is the key of producing screw spindle pump, but the calculation of shaped cutting tool is still the crux of process of screw spindle.
螺杆泵生产的关键是螺杆的加工，而成型刀具的型线计算又是螺杆加工的关键。
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