"3/8 螺距"...3/8 螺距

　"3/8-32螺距"...3/8-32螺距

　"3/8-32unef螺距怎么算"...3/8-32unef螺距怎么算

　"3/8-18螺距"...3/8-18螺距

　"3/8-19螺距"...3/8-19螺距

　"3/8unc螺距"...3/8unc螺距

　"3/8螺距是多少mm"...3/8螺距是多少mm

　"3/8jic 螺距多少"...3/8jic 螺距多少

　"3/8-16螺距"...3/8-16螺距

　"3/8螺纹螺距"...3/8螺纹螺距