Computer · Building Materials
निम्नलिखित में से कौन सी सामग्री आधुनिक इमारतों में तापीय ऊर्जा भंडारण के लिए उपयोग की जाने वाली फेज़-चेंज मटेरियल (PCM) का एक उत्कृष्ट उदाहरण है?
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