发布时间:2025-01-19 16:29:45
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!
宽32cm高60cm的大鱼缸店家也没有告诉新鱼缸的用法以致鱼都死
2025-01-19 16:29:45 2025-01-19 16:29:45 2025-01-19 16:29:45 2025-01-19 16:29:45 2025-01-19 16:29:45 2025-01-19 16:29:45 2025-01-19 16:29:45 2025-01-19 16:29:45 2025-01-19 16:29:45 2025-01-19 16:29:45 2025-01-19 16:29:45 2025-01-19 16:29:45