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Physics, 23.11.2021 15:40 josephvcarter
Vì sao các bộ đốt nóng của bếp điện , nồi cơm điện ... thường làm từ những hợp kim nikêlin hoặc constantan mà không làm bằng dây đồng hoặc dây nhôm
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Vì sao các bộ đốt nóng của bếp điện , nồi cơm điện ... thường làm từ những hợp kim nikêlin hoặc cons...
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