发布时间:2025-01-29 21:30:32
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。
油漆做家具装修漆钉眼过一年后膨胀了是腻底灰的问题吗我是用胶水加双灰粉批刮的没
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