"11/2螺距多大"...11/2螺距多大
"11/4-7unc螺距是多少"...11/4-7unc螺距是多少
"11/4螺纹螺距"...11/4螺纹螺距
"螺距11g"...螺距11g
"1-1/16-12螺距"...1-1/16-12螺距
"1 1/4螺距"...1 1/4螺距
"1/4-20螺距"...1/4-20螺距
"1.411螺距"...1.411螺距
"m11螺距1.25"...m11螺距1.25
"11g螺距多少"...11g螺距多少