发布时间:2025-01-19 16:28:59
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!
90年代的房屋卫生间水管老化怎么装修房屋是砖混结构卫生间较小特别是排便便的大水管生锈老化怎么装
2025-01-19 16:29:00 2025-01-19 16:29:00 2025-01-19 16:29:00 2025-01-19 16:29:00 2025-01-19 16:29:00 2025-01-19 16:29:00 2025-01-19 16:29:00 2025-01-19 16:29:00 2025-01-19 16:29:00 2025-01-19 16:29:00 2025-01-19 16:29:00 2025-01-19 16:29:00 2025-01-19 16:29:00 2025-01-19 16:29:00 2025-01-19 16:29:00 2025-01-19 16:29:00 2025-01-19 16:29:00 2025-01-19 16:29:00