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32,217 results
为何中国使用220伏电压,而美国却一直使用的是110伏电压,背后原因曝光,彻底让人意想不到。本期视频就让我们来详细了解 ...
137,767 views
2 months ago
中华振兴#中国高铁#中国制造#大国重器#科普频道#科普知识#基建狂魔#沙漠养殖/本頻道製作的所有影片都符合平台的使用政策, ...
198,898 views
6 months ago
I Applied HIGH VOLTAGE to Electric Toys! #8 (DANGEROUS) In this video, I connected some electric toys to the WANPTEK DC ...
1,435,207 views
1 month ago
Hi everyone, this is [Chengyang Electrical Circuit]] YouTube only channel ~ I am a common electrician in Qingdao, Shandong ...
20,326 views
在列式前 我們可以先思考電源的狀態 假設其狀態為放電 則須將電壓放在等號左邊 如果最終計算出此電壓為負值 就代表假設有誤 此時 ...
692 views
5 months ago
I Applied HIGH VOLTAGE to Electric Toys! #2 (DANGEROUS) In this video, I connected some electric toys to the WANPTEK DC ...
5,323,412 views
11 months ago
在这个视频中,我们将探讨一个问题:“电压和电流哪个更危险?”通过比较贴近我们日常的例子,我们将解析电压、电流和电阻之间 ...
2,173 views
4 months ago
I Applied HIGH VOLTAGE to Electric Toys! #3 (DANGEROUS) In this video, I connected some electric toys to the WANPTEK DC ...
4,917,295 views
10 months ago
AC110~220V溫度時間控制器,此產品輸入電壓可以接AC110~220V接點是30A,可以做溫度控制及時間控制使用,溫度控制部分,可以做 ...
5 views
1 day ago
24,453 views
963 views
3 months ago
2,657 views
在这个视频中,我们将探索电力的概念以及为什么P=VI。如果你曾经想过你的电子设备是如何运作的,或者你家电器上标注的功率( ...
9,294 views
海賊王英文頻道也需要您的支持喔(下方超連結進入) ...
10,282 views
I Applied HIGH VOLTAGE to Electric Toys! #6 (DANGEROUS) In this video, I connected some electric toys to the WANPTEK DC ...
2,106,600 views
7 months ago
3,056 views
I Applied HIGH VOLTAGE to Kids Toys! In this video, I connected some interesting electric children's toys to the WANPTEK DC ...
7,137,413 views
提供CC字幕,手機版影片右上(CC)圖樣開啟, 電腦版點擊影片右下方字幕圖示開啟。 - 觀眾各種問題諮詢、客戶報價、顧客下 ...
45,365 views
8 months ago
更進一步認識機車電池|看懂機車電瓶電壓提早預判電池好壞在的機車都是採用噴射引擎了,也沒了腳踩發動的應急功能,萬一電池沒 ...
31,123 views
1,306 views