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信思哲 发表于 2017-7-5 11:22
' w( _& V# N5 {6 Z1 yType A 就是这种插头没问题,你只是想问中国的和这个Type A的怎么不一样是吧?然后你对TypeA 概念也没有理 ... e1 w$ Y: r" p
但是第二段,写着 A型和B型 插片都有洞。。。而中国的插头插片上没有洞。。
, F8 z. ^$ s4 J* l) IThe pins on Type A and Type B plugs have a hole near the tip that fits into ‘bumps’ found on the contact wipers of some sockets, so that the pins are gripped more tightly allowing for better contact and also to prevent the plug from slipping out of the socket. Some sockets have spring-action blades that grip the sides of the pins, making the holes obsolete. |
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