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اختيار صمام التبديل

2015-12-13View Original

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في أنظمة مضخات الحرارة الأرضية، يتم استخدام صمامات من نوع الدوار المزدوج في غرفة التحكم لتغيير الوضع بين فصلي الشتاء والصيف، لكن هل الختم الناعم أفضل، أم الختم الصلب؟

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