发布时间:2025-01-31 23:27:40
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!
微波炉问题lgw700烧烤型微波炉现在不能加热了开起来声音比以前好的时候大很多一听就像坏了
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