螺纹塞规55°圆柱管螺纹规G1/8G1/4G3/8G1/2G3/4 G1寸 通

标 签: 螺纹 塞规 圆柱 螺纹

螺纹塞规55°圆柱管螺纹规G1/8G1/4G3/8G1/2G3/4 G1寸 通
螺纹塞规55°圆柱管螺纹规G1/8G1/4G3/8G1/2G3/4 G1寸 通

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