
BS EN 1736. Refrigerating systems and heat pumps. Flexible pipe elements, vibration isolators, expansion joints and non-metallic tubes. Requirements, design and installation
出版:British Standards Institution

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BS EN 1736. Refrigerating systems and heat pumps. Flexible pipe elements, vibration isolators, expansion joints and non-metallic tubes. Requirements, design and installation
出版:British Standards Institution
专家解读视频