"3/4螺纹螺距"...3/4螺纹螺距
"3/4螺距多少牙"...3/4螺距多少牙
"3mm螺距螺纹牙高"...3mm螺距螺纹牙高
"3/4螺纹长度"...3/4螺纹长度
"3-48螺纹螺距"...3-48螺纹螺距
"3/8-32螺纹的牙距"...3/8-32螺纹的牙距
"螺纹规格3/4"...螺纹规格3/4
"m3普通螺纹牙距"...m3普通螺纹牙距
"3 1/2螺纹螺距"...3 1/2螺纹螺距
"3/4管螺纹牙距"...3/4管螺纹牙距
