发布时间:2025-01-29 21:28:05
钨针要磨尖,手要稳;钨针从喷嘴突出的长度,在4至5毫米左右;焊枪角度与工件成45度角;气的大小,要在5至8毫米之间;点焊电流要大一点;点完以后不要马上拿走,停留一会,焊点会很漂亮。
高层宽带从配电室入户到多媒体箱子走的是光纤吗这个光纤是装宽带的给穿线还是我们自己装修弄
2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05 2025-01-29 21:28:05