"细丝螺距是多少"...细丝螺距是多少
"标准丝螺距"...标准丝螺距
"细丝螺丝规格"...细丝螺丝规格
"细牙螺丝的螺距"...细牙螺丝的螺距
"细丝螺纹规格"...细丝螺纹规格
"细螺纹螺距表"...细螺纹螺距表
"丝牙螺距对照表"...丝牙螺距对照表
"丝牙螺距"...丝牙螺距
"12细丝螺距"...12细丝螺距
"螺丝的丝距"...螺丝的丝距
