2026年11月2日星期一
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Meridian Globe
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The reason most electrical plug prongs have holes in them

ប្រភព Engadget 科技1 ថ្ងៃមុន
Summary

If you've ever looked at the end of a plug, you've probably wondered why some have holes, and some don't - and no, it's not actually a big conspiracy theory.

យើងផ្តល់តែសន្ទស្សន៍ចំណងជើង និងសេចក្តីសង្ខេប។ ខ្លឹមសារពេញលេញ និងសិទ្ធិអ្នកនិពន្ធ ជាកម្មសិទ្ធិរបស់ប្រភពដើម — សូមចុចតំណដើមដើម្បីអាន។

បើកឯកសារដើម
ផ្នែកព័ត៌មាន
Tech
តំបន់
Americas
Language
English
Item ID
tech-218ce980

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The reason most electrical plug prongs have holes in them · Meridian Globe