发布时间:2025-01-17 22:56:52
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。
1983年10月17日中午12点至13点之间,男,请帮忙看 看八字五行命运,姓李,取三个字的 姓名,现欠两个名字,
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