发布时间:2025-01-19 16:32:26
胀好杯形口,母材插入深度,充氮,调整中性焰,加热,接近暗红色时,上磷铜焊条,将焊料熔化后流进缝隙,充满后,离火,降温后,停氮,OK,要多练习。祝你好运!
家里装修房子要挪动电表箱 进户线是10平方的 手里没有这么粗的线 电工师傅说用用3股4平方线就可以了
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