2025/12/9 8:50:20fei
https://infogram.com/36abccaa-b378-4529-8022-70667c89c36f
评论信息我国高压交流输电是采用三相三线制，所以是三根线，高压直流输电是采用二相制，所以是二根线。三根线是从升压变压器出来的三相电，它们的相位相差120度，可以方便推动三相电机转动，也可以分三路提供照明。
2025/12/9 8:39:18zhe
https://infogram.com/36abccaa-b378-4529-8022-70667c89c36f
2025/12/9 8:13:47xiao
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2025/12/9 8:10:41jiong
https://infogram.com/36abccaa-b378-4529-8022-70667c89c36f
2025/12/9 7:47:52ju
https://infogram.com/36abccaa-b378-4529-8022-70667c89c36f
2025/12/9 7:41:48qing
https://infogram.com/36abccaa-b378-4529-8022-70667c89c36f
2025/12/9 7:34:00jian
https://infogram.com/36abccaa-b378-4529-8022-70667c89c36f
2025/12/9 7:22:35fei
https://infogram.com/36abccaa-b378-4529-8022-70667c89c36f
2025/12/9 7:22:08cheng
https://infogram.com/36abccaa-b378-4529-8022-70667c89c36f
2025/12/9 7:04:21huang
https://infogram.com/36abccaa-b378-4529-8022-70667c89c36f
2025/12/9 6:39:46jue
https://infogram.com/36abccaa-b378-4529-8022-70667c89c36f
2025/12/9 6:17:51chan
https://infogram.com/36abccaa-b378-4529-8022-70667c89c36f
2025/12/9 6:15:33an
https://infogram.com/36abccaa-b378-4529-8022-70667c89c36f
2025/12/9 5:58:34man
https://infogram.com/36abccaa-b378-4529-8022-70667c89c36f
2025/12/9 5:47:38pi
https://infogram.com/36abccaa-b378-4529-8022-70667c89c36f
2025/12/9 5:44:27mei
https://infogram.com/36abccaa-b378-4529-8022-70667c89c36f
2025/12/9 5:36:56ma
https://infogram.com/36abccaa-b378-4529-8022-70667c89c36f
2025/12/9 5:36:13qing
https://infogram.com/36abccaa-b378-4529-8022-70667c89c36f
2025/12/9 5:22:25pu
https://infogram.com/36abccaa-b378-4529-8022-70667c89c36f
2025/12/9 5:17:08xiu
https://infogram.com/36abccaa-b378-4529-8022-70667c89c36f
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