文中并探讨了塑胶导螺杆半径、转速、螺距、双螺纹与钢轴旋转模式对钢珠表面检测覆盖率影响。

The influence of coverage due to the radius, angular velocity, pitch , double thread of plastic screw, and rotational mode of steel axis are also discussed in here.

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我公司有各种设备198台，主要生产全螺纹螺杆、双头螺柱、圆螺母、吊环、销类等。

My company has a variety of devices 198 Units, mainly the production of full-thread screw, double-headed stud, round nuts, rings, pin and so on.

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