发布时间:2025-01-19 16:13:33
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!
坚持把沙发墙挖个洞完工后大家都夸我大智若愚这个洞能用来做什么
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