发布时间:2025-01-17 23:07:54
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。
家庭装修吊顶凹槽里面用软的led灯带好还是t5的灯管好请说明原因
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