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

ရင်းမြစ် Engadget 科技လွန်ခဲ့သော 1 ရက်
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.

ကျွန်ုပ်တို့သည် ခေါင်းစဉ်နှင့် အနှစ်ချုပ် ညွှန်းကိန်းကိုသာ ပေးသည်။ အပြည့်အစုံနှင့် မူပိုင်ခွင့်သည် မူရင်းထုတ်ဝေသူထံတွင် ရှိသည် — မူရင်းလင့်ကို နှိပ်၍ ဖတ်ပါ။

မူရင်း ဖွင့်ရန်
ကဏ္ဍ
Tech
ဒေသ
Americas
Language
English
Item ID
tech-218ce980

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