发布时间:2025-01-31 23:34:04
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!
家里装修中木工活做完要刷油漆油漆工说得20天有什么方法能节省时间或者用其他方法代替刷漆
2025-01-31 23:34:04 2025-01-31 23:34:04 2025-01-31 23:34:04 2025-01-31 23:34:04 2025-01-31 23:34:04 2025-01-31 23:34:04 2025-01-31 23:34:04 2025-01-31 23:34:04 2025-01-31 23:34:04 2025-01-31 23:34:04 2025-01-31 23:34:04 2025-01-31 23:34:04 2025-01-31 23:34:04 2025-01-31 23:34:04 2025-01-31 23:34:04 2025-01-31 23:34:04 2025-01-31 23:34:04 2025-01-31 23:34:04 2025-01-31 23:34:04 2025-01-31 23:34:04 2025-01-31 23:34:04