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1、公称直径:DN300 1. Nominal diameter: DN300 2、压力等级:3.5 2. Pressure rating: 3.5 3、内径:300.0 3. Inner diameter: 300.0 4、外径:310.8 4. Outer diameter: 310.8 5、壁厚:5.42 5. Wall thickness: 5.42 6、螺纹规...
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