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1、内径:300-500 1. Inner diameter: 300-500 2、壁厚:0.275 2. Wall thickness: 0.275 3、重量:60kg 3. Weight: 60kg 4、孔径:63-120 4. Hole diameter: 63-120 5、节水率:60% 5. Water saving rate: 60% 6、压力:2-8 6. Pre...
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